形容词
中文翻译：强制的
同义词：
['obligatory', 'compulsory', 'mandatory']
例句：
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1.The school has a policy of compulsory attendance.
学校有强制性出勤政策。
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2.This course is compulsory for all students to complete.
这门课程是所有学生必须完成的。
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3. The government has made it compulsory for all citizens to register their vote.
政府已将投票注册定为公民的义务。