词汇	course text book
释义	course text book 课本
随便看	radio telephone operator Radio Telephone Operator radio-telephone operator radiotelephone procedure radiotelephone radiotelephone public correspondence service radiotelephoneradiophone radiotelephone receiver radio telephone receiver radiotelephonertf radio-television radio-television advertising radio-television controlled bomb radio-television controlled guide bomb Radio Televisione Italiana radio telephone radio-telephone radiotelephone alarm radiotelephone alarm signal radiotelephone alarmsignal generator radiotelephone alarm signal generator radio telephone alarm signal generator radiotelephone beacon radio-telephone beam communication radiotelephone call