21. | He passed into Sand Hurst by the narrowest possible margin. |
| 他以最低录取成绩考入英国陆军士官学校。
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22. | The sand storm rose in a clap. |
| 突然间飞沙走石。
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23. | Cement, sand and water are mixed to make concrete. |
| 水泥、沙和水被搅拌成混凝土。
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24. | There is often a deposit of sand and mud at the mouth of a river. |
| 河口常有泥沙沉积。
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25. | A crocodile deposits her eggs in the sand . |
| 鳄鱼产卵于沙中。
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26. | She shook the sand out of her shoes. |
| 她把鞋子里的沙抖出来。
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27. | This small desert animal dishes out a shelter for itself in the sand . |
| 这种沙漠小动物会在沙里挖出盘状的栖身巢穴。
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28. | Peter was coated in cement and sand , but we picked him up and dusted him down. |
| 彼得满身都是水泥和砂子,我们把他扶起,给他掸掸干净。
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29. | Sand shakes off easily. |
| 沙易抖落.
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30. | He must pile more sand on top as a shield. |
| 他必须在顶上再加一些沙土作为防御物。
|