required 同义词
- compulsory, mandatory
英文释义: 形容词 required by rule; "in most schools physical education is compulsory"; "attendance is mandatory"; "required reading"
翻译和释义
- required 英文释义：required by rule; "in most schools physical education is compulsory"; "attendance is mandatory"; "required reading"
- required 中文翻译：adj.〔美国〕必修的(大学课程)。