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| 21. | Charge up my car battery, will you? |
| 替我把汽车上的蓄电池充一下电好吗? |
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| 22. | Will you charge up my car battery ? |
| 你替我把汽车上的蓄电池充一下电好吗？ |
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| 23. | To increase the positive charge or valence of(an element)by removing electrons. |
| 氧化通过除去一个元素电子来增加电性或原子价 |
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| 24. | An electrical charge produced by friction between two objects. |
| 摩擦电由两个物体摩擦产生的电荷 |
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| 25. | I won't charge you anything for the electricity, gas and heat. |
| 我不收您电，煤气和暖气费。 |
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| -- 来源 -- 无师自通 校园英语会话 - Looking for a Room (3) |
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| 26. | Containing or producing the type of electric charge carried by electrons |
| （电）阴极的，负极的 |
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| 27. | Because atoms with the same charge repel, |
| 由于带同性电的原子会相斥， |
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| -- 来源 -- 空中美语-科普篇-怒发冲冠为哪桩？ - What Makes Your Hair Stand on End? |
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| 28. | A village set up an electric circuit（电路） finally, so a young man bought a lamp bulb hurriedly. |
| 一个小山村终于通了电，一个小伙子连忙买了一个灯泡按上，拉下开关灯泡并没有亮。 |
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| 29. | If we charge it with electricity, it will become magnetic. |
| 如果充上电, 它就会带有磁性。 |
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| 30. | As mentioned above, an object has positive charge when it has lost electrons. |
| 如上所述，物体失去电子时带正电荷。 |
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