Carhemoglobin
碳酸血红朊
🗣️ 情景例句
The advanced exercise class is not so easy, huh?
高级健身班不是那么容易吧， 对不对？
He works best who knows his trade.
内行的人做他的事一定会做得最好。
For years we've been demanding better housing and jobs.
多年来我们一直要求改善住房和工作条件。