Phosphofluoric acid
[化] 六氟磷酸
🧩 词语组成解析
🗣️ 情景例句
I hope you're all enjoying the exhibition.
我希望你们都喜欢这个展览
It's certainly a big improvement over yestterday.
肯定比昨天大有好转。
What are you doing on Saturday evening?
你星期六晚上要干什么？