bell mouth

听听怎么读
英 [bel mauθ]
美 [bɛl maʊθ]
是什么意思
  • 释义

    喇叭口;漏斗口;锥形孔;锥形底

  • 学习怎么用

    双语例句

    1. A valved brass wind instrument that produces a mellow tone from a long, narrow tube that is coiled in a circle before ending in a flaring bell.
      一种有活瓣的铜管乐器,从漩涡形且端部有喇叭口的又长又细的管子里发出圆润的乐音。

    权威例句

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