River pollution after the flower 污染治理后的花溪河
A group of scientists now say pollution is tainting the molecular build-up that causes a flower to smell so sweet.
一组科学家称目前的污染正在改变分子构成,造成花儿闻起来是甜的。
And next time you stop to smell the roses, they could be less fragrant. A group of scientists now say pollution is tainting the molecular build-up that causes a flower to smell so sweet.
下次你驻足闻玫瑰花味时,它可能没那么香了,科学家们说是因为污染破坏了使花朵闻起来香甜的分子结构。
Air pollution of Britain's cities had caused serious harmfulness, and the health and life of townspeople, as well as flower, grass, tree, building, climate and so on, had been in serious danger.
英国城市大气污染曾造成严重危害,不仅人们的健康和生命受到了威胁,而且花草树木、建筑物和气候等也深受其害。
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