Fluoprotactinic acid
[化] 氟镤酸; 氢氟镤酸
🧩 词语组成解析
🗣️ 情景例句
After you.
请先走。
I can't promise anything,but I'll do my best.
不敢保证，不过我尽力而为。
That's right. I'm travelling round the country.
对。我在周游全国各地。