Erv
[医] 呼气储备量
🗣️ 情景例句
I would like to make an appointment for a hairdo, please.
我想预约理发， 劳驾。
Internet is number one!
国际互联网真是顶呱呱！
Above the surface of the water, the towers rise to a height of nearly 700 feet.
塔身高出水面将近700英尺。