Gastriode
充气三极管, 闸流管
🗣️ 情景例句
My car broke down on the road.
我的车在路上抛锚了。
When I traveled to a foreign country, I was very aware that I was a Chinese.
当我出国旅行时，我非常明白自己是一名中国人！
Mr.Taylor, the owner of a jewellery shop was admiring a new display.
珠宝店主泰勒先生正在欣赏新布置的橱窗。