The grotto4 was an immense apartment. Along its granite5 floor ran our faithful stream. At this distance from its spring the water was scarcely tepid6, and we drank of it with pleasure.
After breakfast the Professor gave a few hours to the arrangement of his daily notes.
"First," said he, "I will make a calculation to ascertain7 our exact position. I hope, after our return, to draw a map of our journey, which will be in reality a vertical8 section of the globe, containing the track of our expedition."
"That will be curious, uncle; but are your observations sufficiently9 accurate to enable you to do this correctly?"
"Yes; I have everywhere observed the angles and the inclines. I am sure there is no error. Let us see where we are now. Take your compass, and note the direction."
I looked, and replied carefully:
[1] tpwgln, a hole; dnw, to creep into. The name of an Ethiopian tribe who lived in caves and holes. ??????, a hole, and ???, to creep into.
"South-east by east."
"Well," answered the Professor, after a rapid calculation, "I infer that we have gone eighty-five leagues since we started."
"Therefore we are under mid-Atlantic?"
"To be sure we are."
"And perhaps at this very moment there is a storm above, and ships over our heads are being rudely tossed by the tempest."
"Quite probable."
"It may be, Axel, but they won't shake us here. But let us go back to our calculation. Here we are eighty-five leagues south-east of Snæfell, and I reckon that we are at a depth of sixteen leagues."
"Sixteen leagues?" I cried.
"No doubt."
"Why, this is the very limit assigned by science to the thickness of the crust of the earth."
"I don't deny it."
"And here, according to the law of increasing temperature, there ought to be a heat of 2,732° Fahr.!"
"So there should, my lad."
"I am obliged to agree; but, after all, it is surprising."
"What does the thermometer say?"
"Twenty-seven, six tenths (82° Fahr.)."
"Therefore the savants are wrong by 2,705°, and the proportional increase is a mistake. Therefore Humphry Davy was right, and I am not wrong in following him. What do you say now?"
"Nothing."
In truth, I had a good deal to say. I gave way in no respect to Davy's theory. I still held to the central heat, although I did not feel its effects. I preferred to admit in truth, that this chimney of an extinct volcano, lined with lavas13, which are non-conductors of heat, did not suffer the heat to pass through its walls.
But without stopping to look up new arguments I simply took up our situation such as it was.
"Well, admitting all your calculations to be quite correct, you must allow me to draw one rigid14 result therefrom."
"What is it. Speak freely."
"At the latitude15 of Iceland, where we now are, the radius16 of the earth, the distance from the centre to the surface is about 1,583 leagues; let us say in round numbers 1,600 leagues, or 4,800 miles. Out of 1,600 leagues we have gone twelve!"
"So you say."
"And these twelve at a cost of 85 leagues diagonally?"
"Exactly so."
"In twenty days?"
"Yes."
"Now, sixteen leagues are the hundredth part of the earth's radius. At this rate we shall be two thousand days, or nearly five years and a half, in getting to the centre."
No answer was vouchsafed17 to this rational conclusion. "Without reckoning, too, that if a vertical depth of sixteen leagues can be attained18 only by a diagonal descent of eighty-four, it follows that we must go eight thousand miles in a south-easterly direction; so that we shall emerge from some point in the earth's circumference19 instead of getting to the centre!"
"Confusion to all your figures, and all your hypotheses besides," shouted my uncle in a sudden rage. "What is the basis of them all? How do you know that this passage does not run straight to our destination? Besides, there is a precedent20. What one man has done, another may do."
"I hope so; but, still, I may be permitted—"
"You shall have my leave to hold your tongue, Axel, but not to talk in that irrational21 way."
I could see the awful Professor bursting through my uncle's skin, and
I took timely warning.
"Now look at your aneroid. What does that say?"
"It says we are under considerable pressure."
"Very good; so you see that by going gradually down, and getting accustomed to the density22 of the atmosphere, we don't suffer at all."
"Nothing, except a little pain in the ears."
"That's nothing, and you may get rid of even that by quick breathing whenever you feel the pain."
"Exactly so," I said, determined23 not to say a word that might cross my uncle's prejudices. "There is even positive pleasure in living in this dense24 atmosphere. Have you observed how intense sound is down here?"
"Yes; according to a rather obscure law. It is well known that the weight of bodies diminishes as fast as we descend27. You know that it is at the surface of the globe that weight is most sensibly felt, and that at the centre there is no weight at all."
"I am aware of that; but, tell me, will not air at last acquire the density of water?"
"Of course, under a pressure of seven hundred and ten atmospheres."
"And how, lower down still?"
"Lower down the density will still increase."
"But how shall we go down then."
"Why, we must fill our pockets with stones."
I dared venture no farther into the region of probabilities, for I might presently have stumbled upon an impossibility, which would have brought the Professor on the scene when he was not wanted.
Still, it was evident that the air, under a pressure which might reach that of thousands of atmospheres, would at last reach the solid state, and then, even if our bodies could resist the strain, we should be stopped, and no reasonings would be able to get us on any farther.
But I did not advance this argument. My uncle would have met it with his inevitable29 Saknussemm, a precedent which possessed30 no weight with me; for even if the journey of the learned Icelander were really attested31, there was one very simple answer, that in the sixteenth century there was neither barometer32 or aneroid and therefore Saknussemm could not tell how far he had gone.
But I kept this objection to myself, and waited the course of events.
The rest of the day was passed in calculations and in conversations. I remained a steadfast33 adherent34 of the opinions of Professor Liedenbrock, and I envied the stolid35 indifference36 of Hans, who, without going into causes and effects, went on with his eyes shut wherever his destiny guided him.
点击收听单词发音
1 immediate | |
adj.立即的;直接的,最接近的;紧靠的 | |
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2 troglodyte | |
n.古代穴居者;井底之蛙 | |
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3 mere | |
adj.纯粹的;仅仅,只不过 | |
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4 grotto | |
n.洞穴 | |
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5 granite | |
adj.花岗岩,花岗石 | |
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6 tepid | |
adj.微温的,温热的,不太热心的 | |
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7 ascertain | |
vt.发现,确定,查明,弄清 | |
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8 vertical | |
adj.垂直的,顶点的,纵向的;n.垂直物,垂直的位置 | |
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9 sufficiently | |
adv.足够地,充分地 | |
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10 lashing | |
n.鞭打;痛斥;大量;许多v.鞭打( lash的现在分词 );煽动;紧系;怒斥 | |
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11 fusion | |
n.溶化;熔解;熔化状态,熔和;熔接 | |
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12 overthrow | |
v.推翻,打倒,颠覆;n.推翻,瓦解,颠覆 | |
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13 lavas | |
n.(火山喷发的)熔岩( lava的名词复数 );(熔岩冷凝后的)火山岩 | |
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14 rigid | |
adj.严格的,死板的;刚硬的,僵硬的 | |
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15 latitude | |
n.纬度,行动或言论的自由(范围),(pl.)地区 | |
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16 radius | |
n.半径,半径范围;有效航程,范围,界限 | |
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17 vouchsafed | |
v.给予,赐予( vouchsafe的过去式和过去分词 );允诺 | |
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18 attained | |
(通常经过努力)实现( attain的过去式和过去分词 ); 达到; 获得; 达到(某年龄、水平、状况) | |
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19 circumference | |
n.圆周,周长,圆周线 | |
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20 precedent | |
n.先例,前例;惯例;adj.在前的,在先的 | |
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21 irrational | |
adj.无理性的,失去理性的 | |
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22 density | |
n.密集,密度,浓度 | |
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23 determined | |
adj.坚定的;有决心的 | |
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24 dense | |
a.密集的,稠密的,浓密的;密度大的 | |
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25 perfectly | |
adv.完美地,无可非议地,彻底地 | |
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26 augment | |
vt.(使)增大,增加,增长,扩张 | |
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27 descend | |
vt./vi.传下来,下来,下降 | |
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28 worthy | |
adj.(of)值得的,配得上的;有价值的 | |
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29 inevitable | |
adj.不可避免的,必然发生的 | |
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30 possessed | |
adj.疯狂的;拥有的,占有的 | |
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31 attested | |
adj.经检验证明无病的,经检验证明无菌的v.证明( attest的过去式和过去分词 );证实;声称…属实;使宣誓 | |
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32 barometer | |
n.气压表,睛雨表,反应指标 | |
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33 steadfast | |
adj.固定的,不变的,不动摇的;忠实的;坚贞不移的 | |
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34 adherent | |
n.信徒,追随者,拥护者 | |
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35 stolid | |
adj.无动于衷的,感情麻木的 | |
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36 indifference | |
n.不感兴趣,不关心,冷淡,不在乎 | |
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