Whether be heated or not, this substance will not dissolve in water.

不管是否加热，这种物质都不会溶解于水。

youdao

He treats this substance with the acid more carefully than before.

他比以前更小心地用酸来处理这种物质。

youdao

We now understand that it's this substance that keeps people smoking, despite all the warnings.

正是尼古丁让人不顾警告，吸烟成瘾。

youdao

The substance of this summit on Libya's Mediterranean seacoast has been largely overshadowed by the personalities attending, and those who are not.

VOA: standard.2009.07.02

According to the dualist, the mind is this immaterial substance and we could call it by different names.

根据二元论,心灵是非物质的实体,我们可以用不同的名字称呼它

耶鲁公开课 - 死亡课程节选

And, in fact there's a technique of analysis used today that's called Rutherford back scattering where people actually saw that this is a means of identifying the substance, the sample.

事实上这是现在用的一种分析技术,称作卢瑟福背散射,就是人们实际上看到的那样,这是鉴别物质样品的一种方法。

麻省理工公开课 - 固态化学导论课程节选

This substance (an iron-magnesium silicate whose greenish colour is reminiscent of olives) weathers rapidly in the presence of water.

ECONOMIST: Martian chronicles

This substance is used in making glass, bricks, chemicals and cleaning products.

FORBES: Magazine Article

There's no question that a small fraction of one percent of Americans react adversely to this substance, and to a handful of them, peanuts are fatal.

FORBES: Fact and Comment