Fef
abbr. fast-extrusion furnace 快速喷炉
🗣️ 情景例句
What are you doing?
在做什么？
He was absent yesterday. Do you know why?
昨天他没到，你知道为什么吗？
May I come in, please? I'm sorry I'm late.
我可以进来吗？对不起，我迟到了。