A deep male voice is inherently attractive , as it indicates greater exposure to pubertal testosterone and is linked to reproductive fitness .

深沉的男性声音天生就有吸引力，因为它表明较大的青春期睾丸激素，且与生殖的适合度有关。

When a new male gelada monkey takes control of a reproductive group , he will typically kill off the babies of his predecessor .

当一个新的雄性狮尾狒猴控制了一个再生殖的群体后，它通常会杀死它前辈所留下的崽子。

When melinda and I first started our giving , in the late 1990s , our focus was on reproductive health rather than childhood deaths .

在上世纪90年代晚期，当我和梅琳达开始我们的捐赠时，我们更关注生殖的健康而不是儿童的夭折。

In the world of moulay ismail the bloodthirsty , however , a low-status man may be cast on the reproductive scrap heap because there are no women available to him at all .

在嗜血者慕雷伊斯梅尔的王国里，一个地位低下的男子会被抛到生殖的垃圾堆上，因为在那里他找不到任何愿与其配偶的女性。

If circumstances do not favour her at the time ( perhaps the father has deserted her ) the cost to her total reproductive output of bringing up a child may exceed the risk of killing it .

如果此时环境不利于她（可能孩子的父亲抛弃了她），那么抚养孩子，这作为她生殖的总体产物，其代价要超过杀死这个孩子所冒的风险。