弹虫

例句：

1. 1. The spider caughta fly with its web, and thefly was trapped in the web.
   蜘蛛用网捉住了一只苍蝇，苍蝇被困在网中。
2. 2. Thespider spun aweb to catch insects for food.
   蜘蛛织了一张网来捕捉昆虫作为食物。
3. 3. The spider'sweb is a symbol of danger and caution.
   蜘蛛的网象征着危险和警告。