must be kept翻译

must be kept的基本解释

读音: 美: 英:

必须保持：表示某种状态或行为必须被维持或保持下去。

例句

Raw meat must be kept separate from cooked meat.生肉和熟肉必须分开存放。《牛津词典》
All dogs must be kept on a leash in public places.在公共场所所有的狗必须用皮带牵住。《牛津词典》
Accurate records must be kept.必须保存准确的记录。《牛津词典》

短语

must be kept constant 必须保持不变
Classrooms must be kept clean 必须保持教室清洁
promises must be kept 说话要算数
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