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 .
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 .
