Monochlorodifluoromethane
氯二氟甲烷; 二氟一氯甲烷
??? 情景例句
I'm afraid not. We don't generally accept a letter of credit.
恐怕不行，我們一般不采用信用卡。
Enough is as good as a feast.
知足常樂。
It was from the study of these that so much was learnt about the interior of the earth.
正是從這兩種波的研究中，我們可以了解到地球內部的許多情況。