A few wore oxygen concentrators strapped to their torsos, hissing and sighing softly like a distant shoreline.

有几个人着氧气浓缩器，像遥远海岸线一样发出嘶嘶叹息。

I mean the psychology concentrators here know that, probably guess that. We study a lot of prejudice.

学心理学人 可能会猜 我们大量地研究偏见。

This is done in large factories. The other source of oxygen, somewhat less pure, is small, mobile plants called oxygen concentrators.

这一过程是在大工厂里完成。另一种纯度稍低氧气来源于一种小型、可移动氧气浓缩器。

This is a solar concentrator in Seville, Spain.

这是西班牙塞维利亚一个太阳能聚光器。

Hey, this is Alba; so, this looks like a simple spectral concentrator.

嘿，这是阿尔巴；所以，这看起来像一个简单光谱聚光器。

I don't know what else… it's caused by a spectral concentrator.

我不知道还有什么… … 这是由光谱聚光器引起。

And started off as a computer science concentrator, and then had a mini-epiphany halfway through my sophomore year.

我从计算机科学专修生开始，然后在大二中途有了一个小小顿悟。

Wang says the Chinese government's humanitarian aid to Syria includes first-aid kits, blankets, cotton clothing, tents, ventilators, anesthetics, and oxygen concentrators. The materials will be shipped as soon as possible.

汪文斌表示，中国政府援助叙利亚人道主义物资包括急救包、毛毯、棉服、帐篷及呼吸机、麻醉剂、制氧机，这些物资将尽快启运。

And then they were also trying to use these oxygen concentrators which pull oxygen from the environment, but they rely on power and they were running out of diesel for the generators.

然后他们还尝试使用这些氧气浓缩器从环境中提取氧气，但他们依赖电力，而发电机柴油已经耗尽。