Hydrofluoric efher
[化] 氟代烃
🧩 词语组成解析
a. 氢氟酸的
🗣️ 情景例句
This dictionary is more useful than I expected.
这字典比我所预期的更有用。
More of our worries come from within than from without.
烦恼发乎内者多于发乎外。
And Chen Wei was sure he could see a snake in the grass. I remember.
陈伟还肯定他看到草里有一条蛇。我记得呢。