Monopoler
n. 【电工学】单极；(磁)单极子；【无线电】单极天线
🗣️ 情景例句
Except for the beard, he hasn't changed in fifty years.
除了有胡须， 他五十年来没有变。
I'm fishing at the lake.
我在湖边钓鱼。
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。