Pneumonics
压气(射流自动)学
🗣️ 情景例句
Oh, Richard, it really isn't that bad.
喔 ，Richard ，事情没有那么糟。
He is a big figure in the business world.
他在商界是一位很有威望的人。
then administrative overheads will be low.
行政管理费用就会降低。