He believes that the study of history should be compulsory in school.
他认为在学校里学习历史应该是强制性的。
There is a compulsory course in statistics.
有一门统计学的必修课。
China Compulsory Certification(英文缩写CCC)
| an elective / optional course 选修课 | You can choose an elective course from the arts or music department. 你可以从艺术或音乐系中选择一门选修课。 |
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| the 9-year compulsory education 九年制义务教育 (the 9-year schooling / school attendance) | The government provides the 9-year compulsory education to all children. 政府向所有儿童提供九年制义务教育。 |
| compulsive 强迫性的;成瘾的 compulsive gambling 嗜赌成性 a compulsive gambler / liar 赌棍/病态说谎者 |
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| compel sb. to do 强迫某人做某事 compelling 引人入胜的;令人信服的 a compelling novel / story 引人入胜的小说/故事 |
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| oblige sb. to do (在法律或道义上)强迫/有义务做 | The law obliges parents to send their children to school. 法律规定父母有义务送孩子上学。 |
| obligatory 义务的;强制性的;必须的 an obligatory course 必修课 obligatory military service 义务兵役制 |
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| voluntary 自愿的;志愿的 voluntary donations 自愿捐款 voluntary early retirement 自愿提前退休 |
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