Some heavy clouds, swept from the sky by a rising wind, had left the moon bright.

一阵狂风吹过，吹散了天空中密布的乌云，皎洁的月亮露了出来。

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I had been sitting out on the deck for more than a quarter of an hour when heavy clouds rose in the west.

西天的浓云升起时我在外面甲板上已经坐了一刻多钟了。

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French officials said bad weather made the search difficult, with heavy clouds forcing planes to fly very low over the water and limiting their line of sight.

法国官方指出，恶劣的天气使搜索工作变得困难，多云天气迫使搜救飞机飞得很低，同时也影响了视线。

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July 2009: The sky is gray and heavy with clouds.

CNN: Born in the east, young Germans still forced to head west

The birth and death phases of stars, for example, are associated with heavy dust clouds that give off an infra-red signal which might resemble the swarm of artificial satellites constituting a Dyson sphere.

ECONOMIST: Is it time for a new approach to finding extraterrestrials?

But more of our information is migrating to the clouds, requiring that more be done to correct the fallout of such heavy data storage demands.

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