Ignitron
[电] 水银半波整流管
🗣️ 情景例句
What's the matter?
发生了什么事？
One moment, please, and I'll find out what is available.
请等一等，我来查一查有什么班机。
They could be saved so much misery and expense if they chose to live in the city where they rightly belong.
要是他们愿意住在本来属于他们的城市，则可以让他们省去诸多不便与节约大量开支。