Cruelty and the fighting instinct have not yet been bred out of the human species.

残忍和好斗的天性并未从人类消除。

youdao

Just the Hesperides will be enough, Lizette thought, but was too well bred to say it out loud.

只要赫斯帕里得斯的就够了，莉莎特心想，但说出来显得太没教养了。

youdao

if most individuals are bred from a small number of parents, they could be vulnerable to a genetic disease, potentially wiping out almost the whole population at once.

(举例来说，假如大部分个体是由小部分的父母亲繁衍而来，他们更易受到遗传疾病的侵袭，甚至有可能让整个种群几乎在一次侵袭中全军覆没。)

youdao

Is it because violence has literally been bred out of us, leaving us more peaceful by nature?

WSJ: Steven Pinker: Why Violence Is Vanishing

Turkeys have had most of the wildness bred out of them.

NPR: Wild Things Thanksgiving

The kind that is bred out of desperation, out of the knowledge that you have to laugh, you have to keep it together because you don't have a choice.

CNN: Analysis: Baghdad weary amid pullout and death