They move silhouetted against a land white as white, bathed in gentle light as the sun traces a low arc across the horizon.

当太阳低弧度越过地平线时，它们走动的身影映衬着一地的雪白，沐浴在柔和的日光中。

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Because of this instability, it's very difficult to store elements as Stark does in his arc reactor: They need to be moving at nearly the speed of light.

由于这种不稳定性，人类很难做到像斯塔克那样将新元素储存在他的方舟反应堆中，再说电影中它们还需以接近光速被移动。

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In 2005 southern and eastern Afghanistan were light yellow, while a speckly yellow arc traversed the west and north.

在2005年的图上南部和东部仅仅是淡黄，仅有一条稀疏的黄带从北到南跨越。

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The kilometre-wide separation of the component satellites of Terrestrial Planet Finder should allow it to see planets in distant solar systems a problem akin to looking for moths flying around a football-stadium arc light that is several hundred kilometres away.

ECONOMIST: Birds of a feather

The arc of refracted light was relevant for two men and two parties.

FORBES: Britain's Twofer: Vote For One Party, Get Two

This negative is illuminated from the front by an arc lamp, and the light from this lamp passes through the transparent regions of the liquid-crystal layer to the middle layer.

ECONOMIST: Curtains for celluloid