触角

例句：

1. 1. The spider's eight legs are its most distinctive feature.
   蜘蛛的八条腿是它最显著的特征。
2. 2. The butterfly has a long and delicate antenna.
   蝴蝶有一根长而细的触角。
3. 3. The caterpillar's body is covered in soft hairs that serve as its antennae.
   毛毛虫的身体上覆盖着柔软的毛，这些毛就是它的触角。