cobweb cotton

例句：

1. 1. The cobweb caught the butterfly as it flew over.
   蜘蛛网捕捉了蝴蝶，它飞过时被网住了。
2. 2. The children were fascinated by the intricate patterns on the cobweb.
   孩子们对蜘蛛网上复杂的图案着迷了。
3. 3. The cobweb stretched across the path, blocking their way.
   蜘蛛网横跨在小径上，挡住了他们的路。