形容词
中文翻译：强制的
同义词：
['obligatory', 'compulsory', 'mandatory', 'requisite']
例句：
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1. The law is a compulsory requirement for all citizens.
法律是所有公民的义务。
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2. They were compelled to accept the offer by their boss.
他们被迫接受老板的提议。
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3. The company has a compulsory safety training program for its employees.
该公司为员工提供强制性的安全培训计划。