Ignitron
[电] 水银半波整流管
🗣️ 情景例句
The original plan by the council
会议原有的计划
Youth means limitless possibilities.
年轻意味着无限希望。
I can't find it. There are just a few loose coins at the back of the drawer.
我也找不到。在抽屉底只有一些零散的钱币。