Fluoric
a. 氟石的, 从氟石获得的, 氟素性的
🗣️ 情景例句
She's nine years old.
她九岁。
If you have any comment about these clauses, do not hesitate to make.
对这些条款有何意见，请尽管提，不必客气。
About a month.
大概一个月。