It has a large head, made of what looks like one big ring of hard skin.

虾的头很大, 看上去就像甲壳的一个大“体节”。

My closeness didn't seem to bother her at all, and her cool, hard skin was oddly comforting to me.

我的亲近似乎丝毫没有影响到她，而奇怪的是，她冰冷坚硬的肌肤对我来说很舒适。

Something like a hard skin that goes around a tree.

像围绕在树上的硬皮一样的东西。

The shrimp has a smooth, hard skin or shell all over the outside of its body, and its flesh is inside this skin.

虾的身体外面包着一层光滑、坚硬的皮, 也叫甲壳（qiào）, 这层皮里面才是肉。

The larva is fed by the working bees, and in a few days it makes for itself a hard skin, and is called a pupa.

工蜂负责给幼虫喂食。几天之后, 它们便会长出坚硬的皮肤, 这就是蛹。

Flies have no bones inside their body; but they have a hard skin like a shell all over the outside, and their flesh is inside this hard skin.

苍蝇的身体里没有骨头, 但是外面有一层甲壳一样的硬皮, 硬皮的里面是肉。

If you work a lot with your hands, use your hands a lot, you might eventually develop areas of hard, dead skin on your hands.

如果你经常用手工作， 经常用手，你最终可能会在手上长出坚硬的死皮区域。

" Calluses" (calluses) are large areas of hard, dead skin that once again are often found on the bottom of your feet, although you could have calluses on your hands as well.

“老茧” （老茧）是大面积坚硬的死皮，经常在脚底发现， 尽管您的手上也可能有老茧。