Fluoram
二氟化铵
🗣️ 情景例句
How is your language ability?
你的语言能力如何？
The flood has left many people homeless.
许多人因洪水而失去了家园。
All right. I will send the information on a piecemeal basis as we acquire it.
好。我们收齐之后会立即寄给你。