thread link

例句：

1. 1. She carefully threaded the needle through the fabric.
   她小心翼翼地将针穿过布料。
2. 2.The thread linking the two cities is a major transportation route.
   连接这两个城市的线是一条主要的交通路线。
3. 3. The story's plot was so intricate that it required multiple threads to explain.
   这个故事的情节如此复杂，需要多个线索来解释。