Plethora polycythaemica
[医] 红细胞增多性多血[症]
🧩 词语组成解析
🗣️ 情景例句
That's the worst part--making decisions.
最伤脑筋的是要作决定。
I've got a pain in my throat.
我的喉咙痛。
In this way, we have learned all that we know of the laws of astronomy,
例如，用这种方法，我们完全掌握了天文学的规律。