free reeds

同根派生

A small, rectangular instrument consisting of a row of free reeds set back in air holes, played by exhaling or inhaling.
口琴一種有一排簧片倒置在通氣口內，演奏時通過吹氣或吸氣發(fā)出聲音的體積小的長方形樂器
A harmonica has free reeds that vibrate in an airstream and they do not (unless there is a problem with the harp) come into contact with other components.
汽車引擎有很多的零部件，它們需要一段時間的磨合才能很好地協(xié)同工作，但口琴只有一個在氣流中振動的自由簧片，除非故障，簧片不會與任何其他部件接觸（也就不存在磨合的問題）。
air is forced through free reeds by bellows.
通過風箱空氣被強迫經過自由簧片。
a wind instrument with a free reed.
帶有自由簧片的管樂器。
Reading occupies most of my free time.
閱讀占去了我大部分的閑暇時間。