Polycythemic
a. 红细胞增多的
🗣️ 情景例句
We've only been here for a day,
我们到这里仅仅一天，
When do you want to leave?
你想什么时候离开？
The temperature drops to -- 30 o and very few people attempt to cross the Pass.
气温下降到零下30度，试图跨越山口的人寥寥无几。