The newly discovered strain can be used to make fuel from any source of cellulose, not just paper. TU-103 was discovered in animal feces.

这个新发现的菌株可以利用任何来源的纤维素，不只是纸。事实上这种微生物是从动物粪便里发现的。

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Foods that come from an animal source will have saturated fat and cholesterol in them.

源自动物的食物中含有大量的脂肪和胆固醇。

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If an ingredient label states the product in question contains rennet, then the rennet came from an animal source.

如果一个原料标签上注明有疑问的产品中含有凝乳酵素，则凝乳酵素来源于动物。

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The 13 cases, many of them linked to one Saudi hospital, suggest that the spread of this coronavirus may have reached a dangerous new stage in which it is spreading from one human to another, rather than infecting humans from another source such as an infected animal, according to infectious-disease experts.

WSJ: Virus's Toll in Saudi Arabia Raises Fears of Faster Spread

Vegetables that grow on the ground are more likely to be contaminated with bacteria, since runoff from animal waste is likely the source of contamination.

FORBES: Seven Simple Steps To Safe Salads

It is probable that it has an animal source, but whether it spreads from contaminated food or something else in the environment is unknown.

BBC: Threat from novel coronavirus 'remains low'