Compulsory

(adj.) required by rule; 'in most schools physical education is compulsory'; 'attendance is mandatory'; 'required reading' .

手打:珀西瓦尔

• I had heard that very voice ere this, and compulsory observation had forced on me a theory as to what it boded. 夏洛蒂·勃朗特. 维莱特.
• Bodily exercise, when compulsory, does no harm to the body; but knowledge which is acquired under compulsion obtains no hold on the mind. 柏拉图. 理想国.
• He entertained the notion of making the use of gas and coke compulsory, by levying a tax on all who obstinately refused to adopt what would be so much to their own advantage. 弗雷德里克·科利尔·贝克维尔. 伟大的事实.
• Yes, said Lydgate, in a tone of compulsory admission. 乔治·艾略特. 米德尔马契.
• The year 1900 is to witness the compulsory adoption of automatic car couplings on all cars. Edward W. Byrn. 十九世纪发明进展.
• I long to have something absorbing and compulsory to fill my head and hands and to occupy my thoughts. 夏洛蒂·勃朗特. 雪莉.

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