| 单词 | 缺一不可 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔ball〕The detective has to discover the motive, the means, and the opportunity and has to keep these three balls in the air.侦探必须把作案动机、手段和时机调查清楚, 三者缺一不可。外研社新世纪〔indispensable〕All three men were indispensable to him.这三个人对他来说缺一不可。外研社新世纪 |
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