英语词汇“How they invent it is not clear to me”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	How they invent it is not clear to me
释义	How they invent it is not clear to me. 他们如何发明的它我不清楚。
随便看	tube surface condenser Tube Surgery operation Tubes,Uterine tube swelling tube switch tube-symbol tube system Tube-tailed Thrips tube tank tube target tube technology tube teeth tube telescope Tube Temperature Sensor tube tension tube terminal connection tube test tube-test baby techniques tube tester tube testing apparatus tube testing by emission tube-testing press tube testing tub tube thermal interlock tube thickness