Unipolar dynamo
[电] 单极发电机
🧩 词语组成解析
a. 单极的\\n[计] 单极性的
🗣️ 情景例句
My health sucks.
我的身体很差。
I've got a terrible pain in my back.
我的背很痛。
He was a shrewd and wealthy businessman, but most people in the town hardly knew anything about this side of his life.
他是个精明能干、有钱的商人，但镇上大部分人对他生活中的这一个方面几乎一无所知。