Backstitching
n. 回针\\nv. 用回式针迹缝（backstitch的ing形式）
🗣️ 情景例句
Thanks so much.
非常感谢。
We've been married for 2 years.
我们结婚两年了。
We always enjoy ourselves, Mum.Bye-bye.
我们总是玩得很开心的，妈妈。再见。