Polyhaemia
[医] 多血[症]
🗣️ 情景例句
Just rest now.
现在好好休息。
You're very cheerful today.
你今天很快活。
It has four Rolls-Royce Merlin engines, but the group will need to have only three of them rebuilt.
该飞机装装配有4台罗尔斯-罗伊斯的默林发动机，但是他们只需要修复其中的3台。