Black carbon is produced by diesel engines and primitive stoves burning wood and cow dung.
产生黑碳的，是柴油机与烧木材牛粪的原始炉子。
The Lascaux caves, in the Dordogne region of France, may have the answer. There you can see a painting of a red cow with a black head high on one of the walls.
法国多尔多涅河地区的拉斯科洞穴中也许就有这些问题的答案：在那里的一面墙壁上，你能看到一头红色的母牛，它黑色的牛头高高扬起。
The cow is indeed there, but it's hidden in a grove of trees. There is also a large sheet of black and white paper caught in a tree, and it is obvious that the farmer mistook it for his cow.
那头奶牛确实在那里，但它躲在了树林里，而且有一大张黑白相间的纸缠绕在了一棵树上，显然，农民把这张纸错当成自己的奶牛了。
Though he's nearly sure the man is right, the farmer takes a look for himself, sees the familiar black and white shape of his cow, and is satisfied that he knows the cow is there.
虽然农民很愿意相信送奶工，但他还是自己去看了下，他看到了熟悉的黑白相间条纹，为自己的奶牛在那里感到很满意。
Plush Cow with Barn Carrying Case: The plush cow is black and white with yellow horns, and hard plastic eyes and nose.
毛绒牛玩具和可携带的谷仓： 毛绒牛玩具为黑白相间，并有黄色的牛角和硬塑料的眼睛与鼻子。
Plush Cow with Barn Carrying Case: The plush cow is black and white with yellow horns, and hard plastic eyes and nose.
毛绒牛玩具和可携带的谷仓： 毛绒牛玩具为黑白相间，并有黄色的牛角和硬塑料的眼睛与鼻子。
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