Topstitching
v. 在（衣服）外面的缝旁缝一道针迹( topstitch的现在分词 )
🗣️ 情景例句
It's delicious.
味道好极了。
I told you so!
你看吧！
To get a full appreciation of what this means we must turn first to some recent human inventions.
要透彻理解这句话的意义，我们应先回顾一下人类最近的几项发明。