But this beetle has turned its shell into a wetsuit.

不过这只甲虫把硬壳变成了潜水服。

I don't think you can call it relatively simple after you've cooked oyster shells into vodka, and.

我觉得在你把牡蛎壳煮成伏特加之后你就不能说它相对简单了，而且。

And why did they eventually develop into shells?

为什么它们最终会发展成贝壳？

Instead of throwing these shells into the trash, several projects around the United States now aim to put these shells back into waterways.

美国多地开展项目，要是将贝壳重新放回水里，而不是丢进垃圾堆。

Early next day Ma put the shelled corn and the bag of ashes into the big iron kettle.

第二天一早，妈妈就把剥好的玉米和一袋灰放进了大铁壶里。

He took the nut, and broke the shell. He then took out the kernel, and divided the shell into two parts, as nearly equal as he could.

他拿来果子，凿开壳，然后拿出果仁，把壳尽可能平均地切成了两半。