Heterospolar
[电] 异极
🗣️ 情景例句
Now the hard work begins.
艰苦的工作现在开始了。
It can't be helped.
无能为力。
At the base of the gold cap, the words 'made in the U.S.A' had been nearly inscribed.
笔帽下方整齐地刻有“美国制造”字样。