Subfluoride
低氟化物, 氟化低价物
🗣️ 情景例句
Let me know if you need anything.
假如你需要什么就通知我。
His name is John Smith.
他叫约翰、史密斯。
If one law is changed, then people will later want to change other laws.
要是变更了一条法律，那么人们还会要变更别的法律的。