Defluorination
[化] 脱氟作用
🗣️ 情景例句
If you can confirm that you wish to proceed with a distributorship of our company,
假如你能肯定你们愿意同我公司建立销售关系，
When I came in, he was reading.
当我进来的时候，他在读书。
What else do you want?
您还要什么吗？