Ignitron
[电] 水银半波整流管
🗣️ 情景例句
Let me hear it.
说给我听听。
It falls on the last day of the lunar year and lasts until the Lantern Festival.
克节从阴历年的最后一天开始一直持续到元宵节。
Not too bad.I think I passed in English and Mathematics.
不算太坏，我想我的英语和数学及格了。