Backstitching
n. 回针\\nv. 用回式针迹缝（backstitch的ing形式）
🗣️ 情景例句
Me, too. Milk, please.
我也一样。请递给我牛奶。
I'm afraid the pollution will kill us all.
公害可能把我们都逼死。
If he had not broken his tooth, he would not be in hospital now.
如果他没有把牙齿弄坏，现在就不在医院了。