The system is completely sealed and the only moving part is the metal itself.

整个系统是完全密封的,只有金属本身在其中流动.

辞典例句

The moving part of an electromagnetic device such as a relay , buzzer, or loudspeaker.

电枢电磁装置的移动部分,如继电器, 蜂音器或扬声器.

互联网

The computer steers a rudder, which is usually the only external moving part.

电脑掌舵, 这通常是唯一的外部可动设备.

互联网

When the drama came to the most moving part, the viewers all sobbed.

这部戏演到动情处, 观众都干咽起来.

互联网