| 单词 | 必须检查 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔NEED/NECESSARY〕It is essential that the oil is checked every 10,000 km. 每行驶一万公里就必须检查机油。朗文写作活用〔mandatory〕It is mandatory for blood banks to test all donated blood for the virus.血库必须检查所有捐献的血是否含有这种病毒。牛津高阶〔test〕I must have my eyes tested.我必须检查一下我的眼睛。朗文当代Police officers must check that suspects do not have weapons concealed about their person.警察必须检查嫌疑人随身没有携带武器。剑桥国际 |
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