Vasculation
维管形成
🗣️ 情景例句
What line of work are you in?
你做哪一行的？
He plays violin just for enjoyment.
他拉小提琴只是为了自娱自乐。
I don't know! The address was on a piece of paper,but I can't find it now!
我不知道！地址在一张纸上，但现在找不着了！