Hcfc
n. 氢氯氟碳化物
🗣️ 情景例句
It leaves at 5:20.
五点二十分开。
Would you please tell Mr. Cooper that I'm here.
请您告诉库珀先生我在这里。
Five days ago, the policeman told him, the bicycle was picked up in a small village four hundred miles away.
那位警察对他说，那辆自行车是5天前在400英里外的一个小村里发现的，