Pfi
abbr. power factor indicator 功率因数指示器
🗣️ 情景例句
Without my glasses, I'm as blind as a bat.
没有眼镜， 我就像个蝙蝠一样瞎。
This man risks his life.
这个男人在冒着生命危险。
We can read of things that happened 5,000 years ago in the Near East,
我们从书籍中可读到5，000 年前近东发生的事情，