As the photographer commented, look at how green the grass is in some pictures (see those below) : it is evidence of exposure to excess nitrogen.

正如摄影师所说，看看下图中的草长得如此之绿，不正是接触过多氮元素的证据吗？

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One could see from the street right into the room with the hog 's-leather hanging, which was slashed and torn; and the green grass and leaves about the balcony hung quite wild about the falling beams.

这些皮已经被拉下来了，并且被撕碎了。阳台上那些绿色植物凌乱地在倒下的屋梁间悬着。

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Not letter, you see: the grass grow in the botanical garden green buds, flowers to show the charming smile, held out a lush green trees and branches, how beautiful!

不信，你看：植物园里的小草长出了绿色的嫩芽，花儿露出了迷人的笑脸，绿树伸出了茂盛的枝条，多美丽啊！

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