Iridium occurs in meteorites and volcanic material, but in the latter case it is accompanied by elevated levels of nickel and chromium.

铱存在于陨石和火山物质中，但在火山物质中同时包含高浓度的镍和铬。

youdao

A second line of defense is a risk mitigation strategy, in this case blocking accumulation of the new material in the grain.

第二道防线是风险减轻策略，在这种情况下是阻止作物中新材料的积累。

youdao

This is easy to see in the case of material damage to property, theft of property or lost business profit following a fire.

如果财产遭到实质上的损坏或是遭到偷窃，或是火灾后商业利益遭到损失，那是很容易看到的。

youdao

You take a material like silver and put it in a glass case and that's the definition of a meter.

你拿某种材料,比如银,把它放进玻璃柜里,那是一米的定义

耶鲁公开课 - 基础物理课程节选

There is considerable evidence for different forms of innate knowledge and innate desires and we'll look--and we'll talk about it in detail when we look at case studies like language learning, the development of sexual preference, the developing understanding of material objects.

大量不同形式的证据,证明了先天知识和先天欲望的存在,当我们讲到语言学习，性偏好发展,以及物质客体理解的发展，等主题的个案研究时，会来细讲这些证据。

耶鲁公开课 - 心理学导论课程节选

It breaks down into its component parts and I show two of those component parts here, one is the genetic material, in this case DNA, and the other is all the proteins that form the structure of the virus.

分解为自身各种零件,这里给你们展示一下其中的两个,其一是遗传物质,这里指DNA,另一个是构建病毒结构的所有蛋白质

耶鲁公开课 - 生物医学工程探索课程节选

As Malkin points out, an illegal Jamaican immigrant by the name of Una James, who is the mother of accused sniper John Malvo and a likely material witness in connection with his case, is on the lamb today because of this INS practice.

CENTERFORSECURITYPOLICY: Center For Security Policy

Courts have concluded that no one should be convicted of perjury without demonstrating that the testimony in question was in fact false, that the person testifying knew it to be false, and that the testimony involved an issue that is material to the case, one that could influence the outcome of the matter one way or the other.

CNN

In any case, most of the material had been disclosed by an American court in November, in a separate case.

ECONOMIST: ��Torture�� secrets revealed