英语词汇“Why could the tumbler not fall down?”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	Why could the tumbler not fall down?
释义	Why could the tumbler not fall down? 不倒翁为什么不倒？
随便看	optical realization optical reasonator optical receiver optical receiver and transmitter optical receiver aperture optical receiver assembly optical receiver-downlink optical receiver front end optical receiver module optical receivers optical receiving set optical receiving surface optical reception optical reciprocity optical recognition optical recognition device optical recombination coefficient optical-recombination coefficient optical recombiner optical reconnaissance optical reconstructio optical reconstruction optical record optical record and storage optical, record carrier