把火或把震動壓小的裝置
這一族就是核心畫面本身:一個實體零件裝在那裡,專門把某股力量壓小。被壓的可以是空氣、震動或聲音。
noun · C1
A metal plate or small door inside a stove, a fireplace or an air pipe, which you open or close to control how much air reaches the fire, so that it burns harder or dies down.
(爐子的)風門;擋板