Gastriode
充气三极管, 闸流管
🗣️ 情景例句
for a long time,
很久了，
Paul is negotiating for a job worth $18000.
保罗正在商谈谋求一份年薪 18000美元的工作。
Class 3 did very well in the school sports meeting last week.
“3班在上星期的校运会上表现很好。