Cffc
abbr. counterflow film cooling 逆流薄膜冷却
🗣️ 情景例句
Would you mind telling me more about...?
你能告诉我关于…的情况吗？
People greet one another with Happy New Year.
人们相互祝福“新年好”。
What's the basis of your belief that the product is safe?
你凭什么相信产品是安全的？