英语词汇“up and down”的意思、用法、释义、翻译、读音、例句、短语、词组-英汉翻译词典-复社网

单词	up and down
释义	up and down [ʌp ænd daun] ²⁹⁷⁰ freq. 895 dict. 232 cmpt. 77 spoken 297 na.忽上忽下；各处；来来去去；升降浮沉 [网络]上上下下；来回；来来往往
随便看	strain phase error strain pickup strain pin strain plate strain plate press strain point strain potential strain pressure recorder strain pressure sensor strain pressure transducer strain proof strainpulse strain-pulse strain pulse strain quadratic equation strain quadric strain range strain rate strain rate effect strain-rate equation strain rate field strain rate history strain-rate history strain-rate sensitive model strain rate sensitivity

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