我们的产品呢，由胶原蛋白制成，胶原蛋白是一种自然的止血剂,有包覆的作用。

So our product, made out of collagen, collagen is a natural haemostatic that induces a reaction of cladding.

youdao

我们的产品呢，由胶原蛋白制成，胶原蛋白是一种自然的止血剂，有包覆的作用。

So our product, made out of collagen, collagen is a natural haemostatic that induces a reaction of cladding.

youdao

如此大的一颗行星，有岩石地核以及蓬松的气体层包覆，可能不会维持我们所知的生命。

Such a big planet with a rocky core and a fluffy gaseous envelope probably can't support life as we know it.

youdao

And so it has what? In contrast to the sigma, it has a nodal plane containing both nuclei.

这是什么，和sigma相反，它是包覆在核上的平面电子云，有一个界面。

麻省理工公开课 - 固态化学导论课程节选

You need to do that to be able to control the shield that's as big as that and as heavy as that, because it is made fundamentally of a heavy wood, typically covered by leather, sometimes with some bronze, a bronze sheet across the front of it as well.

如果你想自如操控这块盾牌就必须得这样,这种盾牌很大并且很笨重,因为它主要是由沉重的木材制成,表面一般覆有皮革,或包上铜皮,就是表面上有一层铜皮

耶鲁公开课 - 古希腊历史简介课程节选