| 单词 | 为防万一 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔life insurance〕I have also taken out a life insurance policy on him just in case.为防万一，我还给他买了一份人寿保险。柯林斯高阶〔precaution〕Residents along the coast were evacuated as a precaution.为防万一，沿海的居民们均被撤离。麦克米伦高阶〔quarantine〕He was put in quarantine as a precaution.为防万一, 他被隔离了起来。外研社新世纪 |
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