Variable coupler
[电] 可变耦合器
🧩 词语组成解析
coupler
['kʌplə]
n. 连结者，配合者;车钩;
🗣️ 情景例句
Good. Do you have any back or knee problems?
好。你的背部和膝关节有什么毛病吗
How old do you have to be to vote in the national elections?
你要多大才能在大选中投票？
At 2,473 metres, it is the highest mountain pass in Europe.
海拔2，473O米，是欧洲最高的山口。