Polycythemia
n. 红细胞增多症, 红血球增多症\\n[医] 红细胞增多
🗣️ 情景例句
He keeps himself fit by running 5 miles every day.
他每天跑五公里以保持身体健康。
Just a minute, please.
请等一下。
No. I've never been to that farm before. What kinds of animals have they got?
不，我以前从来没有去过那个农场。他们有哪些种类的动物？