The molten salt is able to retain a very large amount of heat — enough to drive the plant for 15 hours without sunlight.

熔融盐可以保留大量的热量——足够让发电站在没有阳光的情况下运行15小时。

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While we're skeptical of life without sunlight and Vitamin D, people back then anticipated year-round climates made possible by airconditioning and artifical light.

虽然我们对缺乏阳光和维生素D的地下生活还存在疑虑，但当时的人们设想通过空调和人工照明可以维持全年恒定的气候环境。

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It goes without saying that plants cannot grow without sunlight.

不言而喻，没有阳光，植物就不能生长。

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Unlike other technologies, Sequesco says it can convert carbon into liquid fuel without sunlight, which would avoid the Achilles heel of similar technologies.

FORBES: Magazine Article

They are home to the strangest ecosystems known, in which organisms get by without sunlight, using as an alternative source of energy the sulphurous gases spewed from deep inside the earth.

ECONOMIST: 20,000 leagues under the sea

Perhaps the most interesting part of this design is its dual-mode power system, which consists of the standard solar cell array as well as a nuclear power source, allowing the rover to operate continuously and in areas that go long periods without sunlight.

ENGADGET: Chinese engineers reveal nuclear-powered lunar rover