“You remember,” he began, “all those fogs that on damp autumn and winter mornings cover the earth with a veil of gray smoke, hide the sun, and prevent our seeing a few steps in front of us!”
“Looking into the air, you could see something like fine dust of water floating,” said Claire; and Jules added:
“We played hide and seek with Emile in that kind of damp smoke. We could not see each other a few steps away.”
“Well,” resumed Uncle Paul, “clouds and fog are the same thing; only fog spreads about us and shows for what it is, gray, damp, cold; while clouds keep more or less above us and take on, with distance, a rich appearance. There are some of dazzling whiteness, like those you see over there; others of a red color, or golden-hued, or like fire; still others of the color of ashes, and others that are black. The color changes, too, from moment to moment. At sunset you will see a cloud begin with being white, then turn scarlet2, then shine like a pile of embers, or like a lake of melted gold, and finally become dull and turn gray or black, according as the sun’s rays strike it less and less. All that is a matter of illumination by the sun. In reality, clouds, however splendid in appearance, are formed of a damp vapor3 like that of fog. We can assure ourselves of this by a near approach.”
“People can then mount as high as the clouds, Uncle?” Emile asked.
“Certainly. All one needs is a pair of legs stout4 enough to climb to the top of a mountain. Often then clouds are under one’s feet.”
“And you have seen clouds underneath5 you?”
“Sometimes.”
“That must be a very beautiful sight.”
“So beautiful that words cannot express it. But it is not exactly a pleasure if the clouds mount and envelop6 you. You can be very much embarrassed by the obscurity of the fog alone. You lose your way; you become confused, without suspecting any danger in the most dangerous places, at the risk of falling into some abyss; you lose sight of the guides, who alone know the way and could save you from a false step. No, all is not roses up among the clouds. You will perhaps learn that some day to your cost. Meanwhile let us transport ourselves in imagination to the top of a cloud-capped mountain. If circumstances are favorable, here is what we shall see:
“Above our heads the sky, perfectly7 clear, presents no unusual appearance; the sun shines there in all its brilliancy. Down there at our feet, almost in the plains, white clouds spread themselves out. The wind sweeps them before it and drives them toward the summit. There they are, rolling and mounting up the side of the mountain. One would think they were immense flocks of cotton pushed up the slope by some invisible hand. Now and then a ray of sunlight penetrates8 their depths and gives them the brilliancy of gold and fire. The beautiful clouds behind which the sun disappears at its setting are not richer. What brilliant tints9, what soft suppleness10! They mount higher and higher. Now they roll up like a shining white band around the top of the mountain, and hide the view of the plain from us. Only the point where we are projects above the cloud-curtain, like an islet above the sea. At last this point is invaded, we are in the bosom11 of the clouds. Warm tints, soft outlines, striking views—all have disappeared. It is now only a dark fog that saturates12 with moisture and makes us feel depressed13. Ah, if some breath of wind would make haste and sweep away these disagreeable clouds!
“That, my little friends, is what one does not fail to wish when one is in the clouds, which, so beautiful at a distance, are nothing but gloomy fog when close at hand. The spectacle of the clouds should be seen from afar. When in our curiosity we wish to examine certain appearances too closely, we sometimes find them deceptive14; but we also find that, under a secondary brilliancy, which serves to adorn15 the earth, they hide realities of the first importance. The marvels16 of the clouds are only an appearance, an illusion of light; but under this illusion are concealed17 the reservoirs of rain, source of the earth’s fecundity18. God, by whom the smallest details of creation have been ordered, willed that the most common but also most necessary substances should serve as an ornament19 to the earth in spite of their really humble20 aspect; and he clothes them with a prestige dependent on the distance from which we are to contemplate21 them. The gray vapor of the clouds gives us rain. That is its chief utility. The sun illuminates22 it, and that suffices to transform it into a celestial tapestry23 in which the astonished eye finds the splendor24 of purple, gold and fire. That is its ornamental25 function.
Cirrus
“The height maintained by clouds is very variable and is generally less than you might suppose. There are clouds that lazily trail along the ground; they are the fogs. There are others that cling to the sides of moderately high mountains, and still others that crown the summits. The region where they are commonly found is at a height varying from 500 to 1500 meters. In some rather rare instances they rise to nearly four leagues. Beyond that eternal serenity26 reigns27; clouds never mount there, thunder never rumbles28, and snow, hail, and rain never form.
“Those clouds are called ‘cirrus’ that look sometimes like light flocks of curly wool, sometimes like drawn-out-filaments of dazzling whiteness, sharply contrasting with the deep blue of the sky. They are the highest of all the clouds. They are often a league high. When cirrus clouds are small and rounded and closely grouped in large numbers, so as to look like the backs of a flock of sheep, the sky thus covered is said to be dappled. It is usually a sign that the weather is going to change.
Cumulus
“The name ‘cumulus’ is given to those large white clouds with round outlines which pile up, during the heat of summer, like immense mountains of cotton-wool. Their appearance presages29 a storm.”
“Then the clouds we see over there next to the mountains,” queried30 Jules, “are cumulus? They look like piles of cotton. Will they bring us a storm?”
“I think not. The wind is driving them in another direction. The storm always takes place in their neighborhood. There! Hear that!”
A sudden light had just flashed through the flocks of the cumulus. After rather a long wait the noise of the thunder reached them, but greatly weakened by distance. Questions came quickly from Jules’s and Emile’s lips: “Why does it rain over there, and not here? Why does the noise of the thunder come after the lightning? Why—”
“We are going to talk about all that,” said Uncle Paul; “but first let us learn the other forms of clouds. ‘Stratus’ is applied31 to clouds disposed in irregular bands placed in tiers on the horizon at sunrise or sunset. They are clouds that, in the fading daylight, especially in autumn, take the glowing tints of melted metals and of flame. The red stratus of the morning are followed by rain or wind.
Stratus
“Finally, we give the name ‘nimbus’ to a mass of dark clouds of a uniform gray, so crowded together that it is impossible to distinguish one cloud from another. These clouds generally dissolve into rain. Seen from a distance, they often look like broad stripes extending in a straight line from heaven to earth. They are trails of rain.
“Now Emile may ask his questions.”
点击收听单词发音
1 celestial | |
adj.天体的;天上的 | |
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2 scarlet | |
n.深红色,绯红色,红衣;adj.绯红色的 | |
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3 vapor | |
n.蒸汽,雾气 | |
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5 underneath | |
adj.在...下面,在...底下;adv.在下面 | |
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6 envelop | |
vt.包,封,遮盖;包围 | |
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7 perfectly | |
adv.完美地,无可非议地,彻底地 | |
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8 penetrates | |
v.穿过( penetrate的第三人称单数 );刺入;了解;渗透 | |
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9 tints | |
色彩( tint的名词复数 ); 带白的颜色; (淡色)染发剂; 痕迹 | |
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10 suppleness | |
柔软; 灵活; 易弯曲; 顺从 | |
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11 bosom | |
n.胸,胸部;胸怀;内心;adj.亲密的 | |
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12 saturates | |
浸湿,浸透( saturate的第三人称单数 ); 使…大量吸收或充满某物 | |
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13 depressed | |
adj.沮丧的,抑郁的,不景气的,萧条的 | |
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14 deceptive | |
adj.骗人的,造成假象的,靠不住的 | |
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15 adorn | |
vt.使美化,装饰 | |
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16 marvels | |
n.奇迹( marvel的名词复数 );令人惊奇的事物(或事例);不平凡的成果;成就v.惊奇,对…感到惊奇( marvel的第三人称单数 ) | |
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17 concealed | |
a.隐藏的,隐蔽的 | |
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18 fecundity | |
n.生产力;丰富 | |
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19 ornament | |
v.装饰,美化;n.装饰,装饰物 | |
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20 humble | |
adj.谦卑的,恭顺的;地位低下的;v.降低,贬低 | |
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21 contemplate | |
vt.盘算,计议;周密考虑;注视,凝视 | |
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22 illuminates | |
v.使明亮( illuminate的第三人称单数 );照亮;装饰;说明 | |
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23 tapestry | |
n.挂毯,丰富多采的画面 | |
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24 splendor | |
n.光彩;壮丽,华丽;显赫,辉煌 | |
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25 ornamental | |
adj.装饰的;作装饰用的;n.装饰品;观赏植物 | |
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26 serenity | |
n.宁静,沉着,晴朗 | |
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27 reigns | |
n.君主的统治( reign的名词复数 );君主统治时期;任期;当政期 | |
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28 rumbles | |
隆隆声,辘辘声( rumble的名词复数 ) | |
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29 presages | |
v.预示,预兆( presage的第三人称单数 ) | |
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30 queried | |
v.质疑,对…表示疑问( query的过去式和过去分词 );询问 | |
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31 applied | |
adj.应用的;v.应用,适用 | |
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