Mih
[医][=master of industrial health]工业卫生硕士
🗣️ 情景例句
What's the matter?
发生了什么事？
To hiss
咻咻地叫
I've been working so hard recently that I haven't had any time for collecting new stamps.
最近我的学习一直很紧张，没有时间收集新邮票。