M agnet attracts magnet, not in every part and on every side with equal conditions, as iron, but at one and a fixed2 point; therefore the poles of both must be exactly disposed, otherwise they do not cleave3 together duly and strongly. But this disposition4 is not easy and expeditious5; wherefore a loadstone seems not to conform to a loadstone, when nevertheless they agree very well together. A piece of iron by the sudden impression of a loadstone is not only allured6 by the stone, but is renewed, its forces being drawn7 forth8; by which it follows and solicits9 the loadstone with no less impulse, and even leads another piece of iron captive. Let there be a small iron spike10 above a loadstone clinging firmly to it; if you apply an unmagnetized rod of iron to the spike, not, however, so that it touches the stone, you will see the spike when it has touched the iron, leaving the loadstone, follow the rod, try to grasp it by leaning toward it, and (if it should touch it) cleave firmly to it: for a piece of iron, when united and joined to another piece of iron placed within the orbe of virtue of the loadstone, draws it more strongly than does the loadstone itself. The natural magnetick virtue, confused and dormant11 in the iron, is aroused by the loadstone, is linked to the loadstone, and rejoices with it in its primary form; then smelted12 iron becomes a perfect magnetick, as robust13 as the loadstone itself. For as the one imparts and stirs, so the other conceives, and being stirred remains14 in virtue, and pours back the forces also by its own activity. But since iron is more like iron than loadstone, and the virtue in both pieces of iron is exalted15 by the proximity16 of the loadstone, so in the loadstone itself, in case of equal strength, likeness17 of substance prevails, and iron gives itself up rather to iron, and they are united by their very similar homogenic powers. Which thing happens not so much from a coition, as from a firmer unition; and a knob or snout of steel, fixed skilfully18 on the pole of the stone, raises greater weights of iron than the stone of itself could. When steel or iron is smelted from loadstone or iron ore, the slag19 and corrupt20 substances are separated from the better by the fusion21 of the material; whence (in very large measure) that iron contains the nature of the earth, purified from alien flaw and blemish22, and more homogenic and perfect, though deformed23 by the fusion. And when that material indeed is provoked by a loadstone, it conceives the magnetick virtues24, and within their orbe is raised in strength more than the weaker loadstone, which with us is often not free from some admixture of impurities25.
点击收听单词发音
1 virtue | |
n.德行,美德;贞操;优点;功效,效力 | |
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2 fixed | |
adj.固定的,不变的,准备好的;(计算机)固定的 | |
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3 cleave | |
v.(clave;cleaved)粘着,粘住;坚持;依恋 | |
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4 disposition | |
n.性情,性格;意向,倾向;排列,部署 | |
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5 expeditious | |
adj.迅速的,敏捷的 | |
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6 allured | |
诱引,吸引( allure的过去式和过去分词 ) | |
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7 drawn | |
v.拖,拉,拔出;adj.憔悴的,紧张的 | |
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8 forth | |
adv.向前;向外,往外 | |
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9 solicits | |
恳请 | |
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10 spike | |
n.长钉,钉鞋;v.以大钉钉牢,使...失效 | |
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11 dormant | |
adj.暂停活动的;休眠的;潜伏的 | |
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12 smelted | |
v.熔炼,提炼(矿石)( smelt的过去式和过去分词 );合演( costar的过去式和过去分词 );闻到;嗅出 | |
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13 robust | |
adj.强壮的,强健的,粗野的,需要体力的,浓的 | |
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14 remains | |
n.剩余物,残留物;遗体,遗迹 | |
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15 exalted | |
adj.(地位等)高的,崇高的;尊贵的,高尚的 | |
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16 proximity | |
n.接近,邻近 | |
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17 likeness | |
n.相像,相似(之处) | |
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18 skilfully | |
adv. (美skillfully)熟练地 | |
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19 slag | |
n.熔渣,铁屑,矿渣;v.使变成熔渣,变熔渣 | |
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20 corrupt | |
v.贿赂,收买;adj.腐败的,贪污的 | |
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21 fusion | |
n.溶化;熔解;熔化状态,熔和;熔接 | |
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22 blemish | |
v.损害;玷污;瑕疵,缺点 | |
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23 deformed | |
adj.畸形的;变形的;丑的,破相了的 | |
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24 virtues | |
美德( virtue的名词复数 ); 德行; 优点; 长处 | |
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25 impurities | |
不纯( impurity的名词复数 ); 不洁; 淫秽; 杂质 | |
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