单词:h maser
音标:[eitʃ ˈmeizə] ;
氢微波激射器
单词:h maser 相关文章
Lesson Nineteen 听力部分 Dictation: Please prepare your paper and pen. There are really __________ for _____ wine ______-_______________ a good corkscrew, ____, _______________, __________ the ____ of _______. The ______________ that most America
发表于:2019-01-14 / 阅读(189) / 评论(0)
王强口语 第二册