Gastriode
充气三极管, 闸流管
🗣️ 情景例句
Food is necessary to maintain life.
食物是维持生命所必须的。
Thanks guys, you won the games for us.
谢谢大家，能赢得比赛，委实是托大家的福。
You'd better stay in bed till tomorrow. If you're not better by then, I'll take you to see the doctor.
你最好是在床上躺着，一直到明天。如果还不好，我再带你去看医生。