Gastriode
充气三极管, 闸流管
🗣️ 情景例句
Do? I don't know.
读什么 ？我不知道。
He is suffering from whiplash.
他因鞭打症而受着苦。
Yes, I am. Please be careful, Meimei. Don't go too high.
是的，我扶着呢，小心点儿，梅梅。不要上得太高！