| 21. | The present crisis is analogous with the situation immediately before the war. |
| 目前的危机与大战前夕的形势类似。
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| 22. | Each component is carefully checked before assembly. |
| 每个零件在装配前都经过仔细检查。
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| 23. | We had a few anxious moments before landing safely. |
| 我们在安全着陆以前,感到阵阵忧虑。
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| 24. | She wasn't anybody before she got that job. |
| 她得到那份工作以前并非重要人物。
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| 25. | Don't spoil your appetite by eating sweets before meals. |
| 饭前不要吃糖以免影响食欲。
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| 26. | Before trying to solve the puzzle, let us consider the best way to approach it. |
| 要想解决这一难题,咱们先来考虑一下如何着手方为上策。
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| 27. | She arranged all her business affairs before going on holiday. |
| 她在度假前把业务都安排好了。
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| 28. | He's never astir before 10 o'clock. |
| 他从不在10点钟以前起床。
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| 29. | It astonishes me that no one has thought of this before . |
| 以前谁也没想到这一点,使我感到惊讶。
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| 30. | Why weren't you attending when I explained before ? |
| 我以前解释的时侯,你怎么不注意听呢？
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