以上来源于: WordNet
Selectively breeding a wild plant or animal species for certain desirable traits began as a fitful process of trial and error motivated by that age-old imperative: hunger.
为了某些可取的特性，人类选择性地繁育野生植物或动物物种，这一开始是一个断断续续的反复试验过程，驱动它的是由来已久的紧迫之事——饥饿。
Clearly, if meat, milk and eggs were on trial for crimes against the environment, the prosecution would have an easy ride. And that says nothing of animal-welfare issues.
如果列数肉类、牛奶、蛋类对环境的污染“罪行”，这证据是显而易见的，且与动物本身附加值无关。
Getting good results in a large animal model study is a critical step in moving the treatment into a clinical trial.
陷入生活的大型动物模型的研究结果是一个良好的移动到临床试验，治疗的关键步骤。
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