rigorou []

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Taxis must conform to the rigorous standards laid down by the police. 出租车必须遵守警方的严格规定。来自柯林斯例句
The selection process is based on rigorous tests of competence and experience. 选拔过程是基于对能力和经验的严格测试。来自柯林斯例句

rigorou []

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