moving part的用法和樣例：
例句
- Much of the energy supplied to complicated machine with many moving parts is wasted in overcoming this opposition.
供給一臺具有許多可轉動(dòng)部件的復雜機器的能量，有很多是在克服阻力中損耗掉了。 - The moving part of an electromagnetic device such as a relay, buzzer, or loudspeaker.
電樞電磁裝置的移動(dòng)部分，如繼電器，蜂音器或揚聲器
