Pyraloxin
氧化焦没食子酚
🗣️ 情景例句
What would you say is the most popular sport in your country, Mr. Lu?
陆先生，你们国家什么运动最流行？
You're very kind to take the trouble to help me.
谢谢你不怕麻烦帮助我。
The contract will be sent to you by air mail for your signature.
合同会航邮给你们签字。