(aggregation 的复数) n. 集合, 聚合, 集合体
[化] 聚集; 聚集作用
plural of aggregation
n several things grouped together or considered as a whole
n the act of gathering something together

River otters, like other social animals, have to carefully weigh the costs and benefits of hanging out in large groups. A big group makes it easier to catch fish, which seems like a good deal, but there's a downside to social life too. More otters me

发表于:2018-12-24 / 阅读(114) / 评论(0) 分类 2016年Scientific American(十)月

Chimpanzee The most striking single fact about chimpanzees is the flexibility of their social life, the lack of any rigid form of organization. It represents about as far a departure from the baboon type of organization as one can find among the high

发表于:2019-02-17 / 阅读(105) / 评论(0) 分类 双语有声阅读

Chapter 88 Schools and Schoolmasters 第八十八章 鲸队和队长(原文有学校与校长的意思,作者在本章中即以其双关意义随意讽喻。) The previous chapter gave account of an immense body or herd of Sperm Whales, and the

发表于:2019-02-25 / 阅读(87) / 评论(0) 分类 白鲸记
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