It was not until a decade ago that Nasa started taking an interest in the substance and putting it to a more practical use.

直到十年前，美国太空总署开始对这种物质产生兴趣并将其投入实用。

youdao

In the substance he eventually lit on, this happens because at room temperature there are chemical bonds between polymer molecules and water molecules.

终于在他点燃某种物质时，由于室温时聚合物分子与水分子之间存在的化学键，发生了这种情况。

youdao

And there would be a nice historical justice in the substance that was displaced by coal playing an important role in cleaning up the mess that coal has left behind.

木炭产生了很多温室气体之后，又取代了在清洁过程中起到了很大作用的物质，历史会给这种物质一个不错的评定。

youdao

Scientists at the Goddard Space Flight Center in Greenbelt,Maryland, found the substance glycine in material brought back to Earth from a comet.

VOA: special.2009.09.30

There's 60 people in the dorm, and I'm in the substance-free zone.

宿舍有60个人，我在无饮酒区。

布朗的宿舍公寓 - SpeakingMax英语口语达人

The distinction I made in the paper that we talked about in the class is between procedural justice and substance of justice in the university.

我曾经在一篇论文中做了一个区分,在课堂上讲到过，那就是大学程序性公正,和实质性公正的区别。

普林斯顿公开课 - 人性课程节选

More than 90 birds covered in the substance, mostly guillemots, washed up between Mevagissey in Cornwall to Kingsbridge in Devon.

BBC: Dead bird on beach between Downderry and Seaton

In the substance he eventually lit on, this happens because at room temperature there are chemical bonds between polymer molecules and water molecules.

ECONOMIST: A novel idea for stopping the transmission of HIV

The combination of expertise in the substance and inside D.

FORBES: There's No Fixing SOPA And PIPA; Time To Start Over