英语词汇“free period”的意思、用法、释义、翻译、读音、例句、短语、词组-英汉翻译词典

单词	free period
释义	free period [fri: ˈpiəriəd] freq. 24 dict. 3 cmpt. 2 spoken 13 n.空课时（学生或教师没有课的时候） [网络]自由周期；自由振荡周期；空闲时间
随便看	nonreturn flap valve non-return flap valve nonreturn-flow wind tunnel non-return flow wind tunnel non-return-flow wind tunnel non return foot valve non-return foot valve non-return handle non return handle nonreturning non-return magnetometer non return magnetometer non-return policy nonreturn policy non-return policy recovery action nonreturn rate non return rate non-return recording nonreturn recording non return reference recording non-return-reference recording non-returns non-return state non-return suction non-return tilt trap

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