They will mix leaves, animal waste and food waste from the college's kitchens to make compost.
VOA: special.2009.04.14
But if you take an animal and you give it a new food and then you shock it very painfully it won't avoid the new food.
但如果你给动物吃一种新食物,然后电击它,令其感到疼痛,它仍然会进食这种食物。
But if you throw off the environment, in this case, the animal's biology, it's drive for certain nutrients is in concert with the food it has access to.
如果让它们换个环境,这种情况下,这些动物的生理特性,即它们有多少动力去获取某些营养元素,是与其食物源状态有关的
The diver may put food in the water to get the animal to come close.
VOA: special.2009.06.16
So if you take an animal and you give it a new food and then you give it a drug to make it nauseous it will avoid that food.
所以,如果你给动物吃一种新食物,然后你喂它某种药物,让其感到恶心,它就会避免进食这种食物。
The animal's experience with being fed may make it connect food with people.
VOA: special.2011.03.15
But others say more regulation would be a mistake. The livestock industry and the nation's leading veterinarians' group says the antibiotics are helping to prevent animal disease, which ultimately makes the food supply safer.
VOA: standard.2010.07.21
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