形容词
中文翻译：强迫的
同义词：
['obligatory', 'compulsory']
例句：
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1. The government has introduced a new law that requires all citizens to register their cars.
政府已经引入了一项新法律，要求所有公民登记他们的汽车。
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2. This course is compulsory for all students.
这门课程对所有学生都是强制性的。
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3. The teacher made the class mandatory, which meant no one could skip it.
老师让这个课成为必修课，这意味着没有人可以逃课。