The hills are covered in lush green vegetation.

这片丘岭草木茂盛，郁郁葱葱。

《牛津词典》

It’s a clear, sunny day and you can see the entirevalley below filled with wild flowers and bright green vegetation.

这是晴朗的、阳光充足的一天，你可以看到下面整个山谷布满野花和鲜绿色的植物。

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Use smoke for day (tires or petroleum products for dark smoke and green vegetation for light smoke). (Figure III-5)

白昼时分，采用烟雾求援（燃烧轮胎或者汽油产生黑烟，燃烧绿色植被，烟雾较淡）图3-5

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Fields of bright green vegetation sway lazily in the flow, while underwater springs kick up miniature plumes of sand.

BBC: Livin�� la vida Bonito

There was an air of tension as eyes scanned each bank, eagerly searching for movement, for anything that would break the green lines of vegetation.

BBC: Brazil��s land of the jaguar

Invisible and, often odorless, green leaf volatiles emitted from vegetation act as a defense mechanism, communicating to other foliage that danger is near.

ENGADGET: Chemical sensors could detect plants' cries for help, reduce need for pesticides