primates relied on their social intelligence, 灵长类动物依赖于社会智力
But they, too, were becoming increasingly sophisticated, social, 但它们也变得越来越复杂 有社会性
social animals like ants and termites 像蚂蚁和白蚁这样的社会性动物
She's a member of another ancient group of social insects... 它是另一个 古代社会性昆虫群体的成员
But even they couldn't compare with the greatest social animals of their age, 但即使是它们也无法 与当时最伟大的社会性动物相比
They experienced social unrest, revolts and famine. 他们经历了社会动荡 叛乱和饥荒