Bifluoride
[机] 氟氢化物
🗣️ 情景例句
Medicine should be stored somewhere your kids can't reach it.
药物应摆放在孩子们够不着的地方。
Every why has a wherefore.
事出有因。
It is impossible to give a satisfactory explanation for a pot-holer's motives.
要想对洞穴探险者的动机作出满意的解释是不可能的。