Backstitching
n. 回针\\nv. 用回式针迹缝（backstitch的ing形式）
🗣️ 情景例句
It's crowded in here.
这里太挤了。
Woe to him that is alone.
孤独的人最苦恼。
He had been the first to turn a telescope to the sky,
他是第一个把望远镜对准天空的人，