filopodium

例句：

1. 1. The spider's web is suspended in mid-air, waiting for a fly to land.
   蜘蛛网在空中悬挂，等待着一只苍蝇降落。
2. 2. The spider has created a complex network of webs to catch its prey.
   蜘蛛创建了复杂的网来捕捉猎物。
3. 3. The spider's silk is so strong that it can hold up the weight of a small car.
   蜘蛛丝非常强，足以支撑一辆小汽车的重量。