Phthoric acid
[化] 氢氟酸
🧩 词语组成解析
🗣️ 情景例句
Do you hike or fish on your trips?
旅游时，你会步行或钓鱼吗？
Oh, it's a shame that you have to leave.
哦，真遗憾，你非走不可呀。
I may.I can't make up my mind.
有可能退。我还拿不定主意。