Dichloromethylene diphosphonate(cl-2mdp)
[化] 二氯亚甲基二膦酸
🗣️ 情景例句
Let's see. Oh, welcome home.
让我看看。噢， 欢迎回家来。
So many countries, so many customs.
一个国家有一个国家的风俗。
A Frenchman, for instance, might find it hard to laugh at a Russian joke.
譬如，法国人听完一则俄国笑话可能很难发笑。