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| 31. | children become expert at holding their breath under water, |
| 孩子们已经能熟练地在水下屏住呼吸了， |
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| 32. | She can swim for considerable distance under water. |
| 她能在水下潜泳很长一段距离。 |
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| 33. | Several fields are under water after the heavy rain. |
| 大雨过后有几片耕地被淹. |
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| 34. | An electrical instrument for detecting or monitoring sound under water. |
| 水听器，水下测音器一种电子仪器，用来探测或监听水底声音 |
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| 35. | Sharks had been swimming into American bombs placed under water. |
| 鲨鱼曾经游进了放在水下的美国炸弹群， |
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| -- 来源 -- 交互式慢速英语-秋季号 - Women Spies (Ⅲ) |
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| 36. | Detonation is an important factor in under water blasting. |
| 起爆方式对于水下爆破也是一个重要因素。 |
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| 37. | large watertight chamber used for construction under water. |
| 用于水下建筑的防水的大箱子。 |
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| 38. | Technical regulations for diver's safe use of electricity under water |
| GB16636-1996潜水员水下用电安全技术规范 |
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| 39. | The fields were under water after the heavy rain. |
| 大雨后田野为水所淹。 |
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| 40. | It can be used on rotating machinery and under water. |
| 它可以用于回转式机器，也可以在水下应用。 |
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