The first step is the decomposition (hydrolysis) of plant or animal matter.

第一步是植物或动物分解(水解)。

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The food supply is made up of dead and decaying plant and animal matter that's sunk to the ocean floor.

食物供应主要由沉入海底的死亡且正在腐烂的植物和动物组成。

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Most species are omnivorous, and are able to locate food resources that include both plant and animal matter.

大多数种类的蚂蚁都是杂食的，并能够找到植物和动物的食物来源。

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But it is not simply a matter of an animal virus suddenly finding humans to be a congenial host, and flourishing as a result.

ECONOMIST: The American Association for the Advancement of Science

But, like John Belushi and the other pranksters from Animal House, the creatures of Wall Street, no matter how awful their actions, continue to roam free.

FORBES: Feds Put Wall Street On 'Double Secret Probation'

Getting a hoarder to stop is a complicated matter, says Debbie Kanaan, who oversees the animal cruelty division of the Los Angeles district attorney's office.

NPR: Calif. Man Accused of Hoarding Hundreds of Animals