Unidirection current
[电] 单向电流
🧩 词语组成解析
[计] 单向
🗣️ 情景例句
But it's not going to be easy.
不过这事可不容易。
To a crazy ship all winds are contrary.
对于一只漫无目标的船来说，不论什么方向的风都是逆风。
I was walking home when I met Dave.
我碰到大卫时，我正往家走。