Gastriode
充气三极管, 闸流管
🗣️ 情景例句
Will dinner be served on this train?
火车上供饭吗？
Take two pills and have a good rest.
吃两片药，好好休息一下。
Do you have to feed plants like you feed chickens? Or do they grow up by themselves?
你得要像喂小鸡那样去喂幼苗吗？还是它们自己长大呢？