Variometers
(variometer 的复数) n. 可变电感器, 气压表\\n[电] 可变电感器
🗣️ 情景例句
on the school board,
在联合校董会中
Deeds, no words.
不要光说不练。
Sparks were emitted from small black boxes and red lamps flashed on and off angrily.
小黑盒子里迸出火花，红色灯泡发怒似地忽明忽暗。