| 21. | Draw a map of Africa and show the courses of the chief rivers. |
| 画一张非洲地图，并且标明主要河流的走向。
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| 22. | He is in chief command. |
| 他负责指挥。
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| 23. | It was courageous of him to oppose his chief . |
| 他胆子真大，居然反对他的上司。
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| 24. | The cocktail party nearly came to grief, for the chief guest did not arrive until it was well under way. |
| 这次鸡尾酒会几乎失败，因为那位主客在酒会开始以后好久才到。
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| 25. | He called a council of his chief adherents. |
| 他召集他的主要追随者开会。
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| 26. | It was his chief defect. |
| 这是他的主要缺点。
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| 27. | Dancing is her chief delight. |
| 跳舞是她的主要爱好。
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| 28. | My chief desire is to…. |
| 我的主要心愿是…
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| 29. | Babylon shares with Egypt the distinction of being one of the two chief fountains of culture. |
| 巴比伦和埃及分享两大文化源泉的美名。
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| 30. | Slow drying is the chief drawback of this paint. |
| 这种漆的最大缺点是干得慢。
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