Undervoltage
[电] 欠压
🗣️ 情景例句
How many people are there in your family?
您家有几口人？
He has a telephone directory.
他有一本电话簿。
Look, Scott.This is a photograph I took during my trip to Australia.
看，这是我到澳大利来旅行时拍的一张照片。