Pfi
abbr. power factor indicator 功率因数指示器
🗣️ 情景例句
I'll write if you will.
我会给你写信，你也要写哦。
I'm not sure. I'll have to think about it.
我现在不敢说定，我得考虑一下。
Well, it was my car.
唔，这曾是我的车。