Cffc
abbr. counterflow film cooling 逆流薄膜冷却
🗣️ 情景例句
We're also very glad to have practical business dealings with you.
我们也很高兴能和贵公司建立实质性的业务联系。
He tells me is a city boy, and this is his first time to live in a camp like this.
他说他是一个都市男孩，这是他第一次过这种野营生活。
The sun will burn you if you're not careful.
要是你不当心，太阳会把你晒黑的。