Polychromemia
血色质增多
🗣️ 情景例句
I've been in China to work on the new project.
我一直在中国搞一个新项目。
Please call me if you have any problems.
如果你有难题，就请打电话给我吧。
We'll pay up as soon as we can.
我们会尽快付清的。