Ocean explorers search underwater for natural resources – useful materials like coal and oil.

海洋探险者在水下寻找自然资源——像煤和石油这样的有用材料。

Babbel, an inexpensive subscription service, offers more structured lessons and useful real-world material.

Babbel是一个价格便宜的订阅服务，它提供更结构化的课程和更贴近现实的材料。

Oh yes, there are plenty of useful materials just ask one of the staff.

是的，这方面有很多资料，问问其中一个员工就行。

And one of those minerals, calcium carbonate, happens to be a very useful building material.

其中一种矿物，碳酸钙，恰好是一种非常有用的建筑材料。

The movement has helped turn glass from a useful industrial material into works of art.

而该运动促使玻璃从实用的工业原料发展为艺术品。

The rubbish is turned into several grades of useful material, such as fertilizer for the fields and soil for deserts.

然后垃圾被分解成了几种有用的物质，如庄稼地的“肥料”和沙漠中的“土壤”。

The ubiquitous shopping bag is just one example of the million things we use made from this useful material, plastic.

我们所使用的数百万件东西都是由这种有用的原材料——塑料制成的，而无处不在的购物袋只是其中之一。

And while it's an incredibly useful and ubiquitous material, producing it releases a large amount of carbon dioxide into the atmosphere.

尽管它是一种非常有用且无处不在的材料，生产混凝土会向大气中释放大量二氧化碳。

That done, useful materials can be leached chemically out of the black mass.

完成后，有用的材料可以从黑色物质中以化学方式浸出。

And I have plenty of other useful materials, useful videos for you to check out.

我还有很多其他有用的材料和有用的视频供您查看。

Of course, the reason why there’s so much plastic around is that it’s an amazingly useful material.

当然，周围有这么多塑料的原因是它是一种非常有用的材料。

Here was biology, with no intervention from me other than designing initial conditions for growth, efficiently producing a useful, sustainable material.

这是生物学， 除了设计生长的初始条件，有效地生产有用的、可持续的材料外， 我没有任何干预。

Depending on the outfit's function, it could contain carbon nanotubes, programmable matter, metamaterials, claytronics, or any number of other useful materials.

根据装备的功能，它可能包含碳纳米管、可编程物质、超材料、粘土电子学或任何其他有用的材料。

But after being exposed to the elements for six months, any traces of useful material left on the clothes would be seriously damaged.

但在暴露于风吹雨打六个月后，衣服上留下的任何有用物质的痕迹都会受到严重损坏。

Lanzatec, which has a commercial-scale partnership with ArcelorMittal, a European steel giant, and several Chinese industrial firms, builds bioreactors that convert industrial carbon emissions into useful materials.

Lanzatec 与欧洲钢铁巨头安赛乐米塔尔 (ArcelorMittal) 和几家中国工业公司建立了商业规模的合作伙伴关系，建造生物反应器，将工业碳排放转化为有用的材料。

He and his team therefore set out to tweak the molecules that make up polyurethane to make it easier for it to be converted into other useful materials.

因此，他和他的团队着手调整构成聚氨酯的分子，使其更容易转化为其他有用的材料。

And in this video, you will learn how to prepare for the IELTS exam quickly on your own at home and get your best score and you will also get a number of useful materials for your preparation.

而在这期视频中，你将了解到如何在家里自己快速备战雅思考试，并能取得最佳成绩，你还将获得一些有用的备考材料。

Your most valuable resources will be the company's website and social media channels where you'll be able to better understand the company's activities and find recent news releases, annual reports, marketing activity and other useful material.

您最宝贵的资源将是公司的网站和社交媒体渠道， 您可以在其中更好地了解公司的活动并找到最近的新闻发布、年度报告、 营销活动和其他有用的材料。