Amplitron
[电] 增幅管
🏥 医学释义
特高频功率放大管
🗣️ 情景例句
You're right.
你说的对。
I'm afraid all my efforts were in vain.
我担心我的努力全白费了。
Will you please sweep the floor and tidy the classroom every day?
请你们每天都打扫地板、整理教室，好吗？