英语词汇“trade in”的读音、翻译、释义、用法及例句-智慧网

词汇	trade in
释义	trade intrade in1.■用(旧物)贴换新物He traded an old bicycle in for a new one.他把旧的自行车折价换了一辆新车。2.■出售, 经营He trades in wool and cotton.他经营羊毛和棉花。
随便看	hydrogen migration polymerization input coefficient input common-mode range input common-mode rejection ratio input complement circuit input computer input concentration input conductance input connection input control input controller input control unit input control valve input correlation input cost input coupler input coupling factor input crystal input current input data input data bus input data instruction input data proof input data set input-data strobe

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