Phthoric acid
[化] 氢氟酸
🧩 词语组成解析
🗣️ 情景例句
Your idea sounds like a good one.
你的想法听起来很不错。
The postman always comes at 2 o'clock.
邮递员总是在2点钟来。
In the library she has got books on many different subjects.
在图书馆里她准备了各种科目的书籍。