A heavy layer of volcanic ash rained down over the Aegean, covering islands and crops.

浓厚的火山灰层大量降下到爱琴海，遮盖了岛屿和农作物。

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Wearing loose, lightweight clothes, one layer another, is better than a single heavy layer of clothing.

尽量穿宽松，轻便的衣服，一层一层的套衣服比穿一件厚重的衣服要好。

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Wearing loose, lightweight clothes, one layer on top of another, is better than a single heavy layer of clothing.

把宽松、把轻巧的衣服一层套到另一层上比只穿一层厚重的衣服更好。

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L is for layers.Wearing loose, lightweight clothes, one layer on top of another, is better than wearing a single heavy layer of clothing.

VOA: special.2009.12.23

Zhong Yu of Greenpeace told the BBC's Chinese service there was a heavy layer of oil covering the coastline.

BBC: China oil spill after pipe blast 'worse than thought'

The sides shared a point in the corresponding fixture earlier this season, but the visitors are coming to Layer Road high on confidence after a heavy defeat of Southampton on Saturday.

BBC: Williams refuses to give up fight

The explosions were accompanied by heavy rain, leaving the island's roads coated in a thick layer of mud.

BBC: Ash rains down on Montserrat