Males also groomed females of high rank considerably longer than they did low-status females with nary a diamond to their page. 相对来说,男性为社会地位高的女性比为连钻石也没有的社会地位低的女性打扮的时间更长。
In animals, more sons are produced when a mother ranks high in the group or has plentiful food resources. 在动物界,地位高或者有充足食物的雌性动物会养育更多的雄性后代。
high in the social scale怎么读 high in the social scale是什么意思