Fluorid
n. 氟化物
🗣️ 情景例句
You go first, Marilyn.
你先讲 Marilyn。
Can Paul really suspect their stories are lies?
保罗真的在怀疑他们的故事是编造的吗？
I'll have to ring you back, as I need to have a look at my diary and I haven't got it with me.
我得（等会儿）再给你回电话，因为我要先看看我的日记，而我没有把它带在身边。