Some have a thick skin and some have a thin skin.

有的有厚皮而有的只有一层薄皮。

youdao

Have a deep repair and maintenance thin line, nourish, the function of delicate and white skin.

具有深层修护细纹、滋养、嫩白肌肤的作用。

youdao

You have to have a very thick skin and a very thin skin.

你要有一张厚脸皮，以及一张薄脸皮。

youdao

Here is a thin membrane, it's a polymer scaffold, and on that polymer scaffold scientists have placed some skin cells and they've allowed it to grow.

这是一张薄膜,它是一个聚合物支架,在这个支架上,科学家放了一些皮肤细胞,并让它们生长

耶鲁公开课 - 生物医学工程探索课程节选