Celothel
体腔上皮, 间皮
🗣️ 情景例句
It's a surprise.
会给你一个惊喜。
I'm sorry to burst in on you like this, but I'm really upset.
我很抱歉这样突然地找您，但我真的很心烦。
They were in fashion last year and the year before last.But they're not in fashion this year.
这鞋在去年和前年时兴，而今年已不流行了。