Undersewing
反面缝纫
🗣️ 情景例句
I can't answer that one.
我回答不出那个问题。
Good-bye, my darling, good-bye.
亲爱的，请慢走，请珍重。
Some children can cover the whole length of the pool without coming up for breath even once.
有些孩子能够跑完游泳池的全长而不用露出水面换气。