| 1. | I took the precaution of locking everything in the safe. |
| 我把一切东西都锁在保险箱里以防万一。
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| 2. | Proper precaution is prudent. |
| 正当的防备是明智的。
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| 3. | It is a wise precaution to lock your door when you leave your house. |
| 离家时锁门是明智的预防措施。
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| 4. | You should take an umbrella as a precaution . |
| 你应当带一把伞作防备。
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| 5. | The polar explorers took every precaution to minimize the dangers of their trip. |
| 极地探险者十分小心，竭力使他们旅途中的危险减到最低限度。
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| 6. | take an umbrella just as a precaution |
| 带把伞,有备无患
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| 7. | a wise choice, decision, precaution , friend |
| 高明的选择, 决定, 预防方法, 朋友
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| 8. | advocate precaution |
| 提倡预防
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| 9. | neglect no precaution |
| 不忽视预防
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| 10. | omit precaution |
| 放松警惕
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