Variocoupler
n. 可变耦合器\\n[电] 变耦器
🗣️ 情景例句
By the way, what are you going to do on Christmas?
顺便问一下，圣诞节你打算做什么？
It is probably only the flu (influenza).
可能只是流行性感冒吧。
Where do you come from?
你是哪国人？