Backstitching
n. 回针\\nv. 用回式针迹缝（backstitch的ing形式）
🗣️ 情景例句
No entry.
严禁入内。
Whe angry, count ten before you speak; if very angry, a hundred.
怒时数十再说话，大怒数百方开言。
Spiders are busy for at least half the year in killing insects.
蜘蛛至少有半年在忙于吃昆虫。