Hematokrit
血细胞比容, 红细胞压积
🗣️ 情景例句
I've got a million things to do.
我有很多事情要做。
My cousin is a member of a flying club, He seem private flying.
我的表兄是一个飞行俱乐部成员，他似乎很喜欢飞行。
We'll stay here with you until help comes.
在有人来救援前，我们要留在这儿。