Defluorination
[化] 脱氟作用
🗣️ 情景例句
I suppose you want to apply to Columbia.
我猜想你会申请Columbia大学。
No cross, no crown.
无苦即无乐。
When a passing tanker rescued them five days later,
5天后，一条油轮从那儿路过，搭救了他们。