The collagen that is included in face creams comes from animal skin.

面霜中包含的胶原蛋白来自于动物皮肤。

《柯林斯英汉双解大词典》

In their model, the radius is the distance from the center of the animal to its skin.

在他们的模型中，半径是动物中心到其皮肤的距离。

youdao

The material typically used for the pages was parchment, which is animal skin that's stretched and dried under tension, so it become s really flat and can be written on.

书页通常使用的材料是羊皮纸，羊皮纸是一种动物的皮肤，其在张力的作用下被拉伸和变干，因此它会变得非常平整，并且你可以在上面写字。

youdao

The animal's skin and organs are also thought to have therapeutic qualities.

VOA: standard.2010.02.07

The Dead Sea commandments were written in Hebrew on parchment made of animal skin.

FORBES: Ancient Ten Commandments Manuscript On Display

Burch kicks off "Honey Blue" by pounding on the animal skin stretched across his childhood drum set for a "tom tom" beat.

NPR: Paul Burch: Blown Off By 'Honey Blue'

Two wooden blocks, as any toddler knows, work fine as a percussion instrument, and give any Neanderthal half a gourd and a bit of animal skin and you've got a proto-Ringo.

FORBES: TRACKING THE EVOLUTION OF TAKE-OUT TUNES