Ohi
[医][=occupational health institute]职业卫生研究所
🗣️ 情景例句
Chileren should learn about the great accomplishments of their nation.
孩子们应该了解自己国家的伟大成就。
I'll be late, mom. I have to work.
妈，我要迟到了。我有工作了。
Do you still have the cock year stamp?
你还有鸡年的邮票吗？