To feed, Mabel uses her stylet, which is a long, flexible needle.

为了进食，梅布尔使用她管心， 一根又长又灵活头。

All squid alive today still have some kind of gladius, while octopuses have a pair of similar structures called stylets.

今天活所有乌贼都有某种短剑，而章鱼有一对类似， 称为管心。

And the squid still swims around with its gladius intact, and the octopus with its stylets -- reminders of the history they share with the shelled creatures of the past.

乌贼仍然完好无损地游来游去，章鱼带它探——它们提醒过去它们与带壳生物共同历史。