Variocoupler
n. 可变耦合器\\n[电] 变耦器
🗣️ 情景例句
Thanks for the haircut, keep the change.
谢谢你给我剪头，不用找了。
A bad workman quarrels with his tools.
拙匠常怨工具差（人笨怨刀钝）。
You must have been driving at seventy miles an hour.
你刚才一定是以每小时70英里的速度开车。