stomocnidae nematocyst

例句：

1. 1. The nematocyst on the tentacle is designed to capture prey.
   这个触角上的刺细胞是为了捕捉猎物而设计的。
2. 2. The spider's web contains many tiny nematocysts that can inject toxins into its prey.
   蜘蛛网中有许多微小的刺细胞，可以向其猎物注入毒素。
3. 3. The nematocysts are used by some species of parasitic wasps to immobilize their prey.
   某些寄生蜂使用刺细胞来使它们的猎物失去活动能力。