Gastriode
充气三极管, 闸流管
🗣️ 情景例句
Australia is a unique country.
澳大利亚是世上独一无二的国家。
The sooner we go and face the music the better.
咱们还是早点去挨批为好。
Oh, thanks very much. I'd love to. What time is it going to start?
噢，非常感谢。我当然想去。聚会什么时候开始？