英语词汇“water key”是什么意思，“water key”的读音、用法及例句翻译-烛光网

词汇	water key
释义	water keyn.（名词） A lever covering a small hole on certain brass instruments, such as the trombone, that is pressed to drain saliva that has accumulated in the instrument.乐器排水口：盖住诸如长号等某些铜管乐器上小孔的杆状物，可以压下，以排出乐器中积下的口水
随便看	lightning lightning arrester lightning bug lightning chess lightninged lightning rod lightnings light opera light pen lightplane light pollution lightproof light reaction light reflex lights lights lightship light show lightsome lights out light-struck light stylus light water lightweight lightwood

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