| 1. | By working hard he gained rapid promotion .
他工作努力因而晋级很快。
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| 2. | The police car was gaining ground on the robbers .
警车逐渐追上劫匪。
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| 3. | Mechanical energy can be lost or gained .
机械能可以消失或者可以增生。
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| 4. | They at last gain me over in the debate .
他们终于在辩论中把我说服了。
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| 5. | The old man was gaining line steadily now .
老头儿现在不住地收进钓丝。
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| 6. | He could gain no sound of the sailor's name .
他说不出水手的名姓。
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| 7. | By and by, however, he began to gain courage .
不过，后来他逐渐胆大了。
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| 8. | He gained 500 dollars by this deal .
靠这笔交易他赚了五百美元。
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| 9. | I gained ten pounds during summer vacation .
暑假中我的体重增加了十镑。
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| 10. | They hesitated at nothing to gain their ends .
他们不惜一切来达到目的。
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