Pfm
abbr. power factor meter 功率因数计
🗣️ 情景例句
Wonderful. I'll call you,
那太好了。我打电话给你。
I was at home all afternoon.
我整个下午在家。
Though we all got out to examine the fissure, he remained in the car.
我们纷纷下车察看那个大裂缝，他却呆在车上。