Cfcs
高中 Senior Highabbr. 氟氯化碳, 氯氟烃（chlorofluorocarbon）
🗣️ 情景例句
Thank you.
谢谢。
Saying and doing are two things.
说与做是两回事。
Where do you think you are? On a race track?
你认为你现在是在哪儿？在赛车道上吗？