Now, no need to worry, these snails are practicing good needle habits, because each radula is only used once.

现在，不用担心，这些蜗牛正在养良好的用针习惯，因齿舌只用一次。

In fact, Elysia steals its ability to photosynthesize from the algae it eats by piercing the algal cells with specialized pointy teeth, called radula.

实际上，绿叶海天牛的光作用的能力是“偷”的通过进食藻类，并咬破藻类细胞用“齿舌”，特别的尖牙。

And then their tongue-like radula, which is covered in small teeth, cuts and shreds the prey even further before being swallowed by the giant squid.

然后，们长满小牙齿的舌头状齿舌会在巨型乌贼吞下之前进一步切割和撕碎猎物。

And the venom of these snails, it's not just one thing, it's actually a cocktail of toxic molecules that are packaged and delivered through a false tooth called a radula.

而这些蜗牛的毒液， 不仅仅是一回事，实际上是一种有毒分子的混物， 们包装并通过一种叫做齿舌的假牙输送。