生物学家也注意到鹿会嗅和舔陌生的擦痕，这表明小树上的这种视觉标记在鹿群的社会生活中起着重要的交流作用。
Biologists also noted deer sniff and lick an unfamiliar rub, which suggests that this visual mark on a small tree plays an important communication purpose in the social life of deer.
目前进化论生物学家中有一种思想，认为起主要作用的因素是为争夺基因而进行的竞争，而并非为了财产。
But the thinking among evolutionary biologists these days is that what is mainly going on is a competition for genes, not goods.
生物学家和心理学家都知道光线影响情绪，但是弗吉尼亚大学的一项新的研究表明，光线同样在调节恐惧和焦虑方面起着重要的作用。
Biologists and psychologists know that light affects mood, but a new University of Virginia study indicates that light may also play a role in modulating fear and anxiety.
应用推荐