Gastriode
充气三极管, 闸流管
🗣️ 情景例句
I'm sorry. I dialed the wrong number.
对不起，我打错电话了。
I'm afraid you will miss your plane.
我怕你会错过飞机。
The old farmhouse the family lived in was to be replaced by new $500,000 home.
这家人住的旧家舍将由一座价值50万美元的新住宅所取代。