形容词
中文翻译：强制的
同义词：
['obligatory', 'compulsory']
例句：
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1. The law requires all drivers to wear seatbelts.
法律规定所有驾驶员都必须系安全带。
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2. The company has a policy of compulsory retirement at the age of 60.
公司有一项政策，要求员工在60岁退休。
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3. The school has a compulsory education system where students must attend classes every day.
学校实施强制性教育制度，学生必须每天上课。