Variocoupler
n. 可变耦合器\\n[电] 变耦器
🗣️ 情景例句
That isn't necessary.
这倒不必。
Won't you have a bit of this cake?
请尝一点蛋糕吧！
At this time, the man downstairs was trying to sleep.
这时楼下人正试图入睡。