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51. | Ahead of time;beforehand. |
| 提前;预先 |
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52. | Suppose you knew beforehand the poison that would be made use of against you; suppose the poison was, |
| 假如您事先知道会用什么毒药来谋害您,假如那毒药,譬如说,是木鳖精…” |
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53. | used with a comparator-based instrument, the comparators of the counter must be adjusted accurately beforehand |
| 如果在基于比较器设计的仪器上进行电子校正,比较器要事先精确的调整。 |
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54. | Practise your speech beforehand. |
| 预先练一下你那篇讲演。 |
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55. | To exist beforehand. |
| 预先存在 |
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56. | isolate beforehand; in chemistry. |
| 预先分解;多用于化学中。 |
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57. | To establish beforehand. |
| 预先建立 |
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58. | have everything prepared beforehand |
| 事先把一切都准备好 |
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59. | When the President holds a news conference, the chosen venue TM is searched thoroughly beforehand by |
| 总统要举行新闻发布会时,选定的会议厅要由美方代表与特种警犬事先细细检查过; |
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60. | He was informed beforehand. |
| 他预先得到通知。 |
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