First, the chemicals deposited on the rub provide information on the individualidentity of an animal; no two mammals produce the same scent.
首先,擦痕上的化学物质提供了动物的个体特征信息;没有两种哺乳动物会产生相同的气味。
2
The development of self-consciousness and the notion of individualidentity were critical parts of the neurobiological changes that made us human.
自我意识的发展和个体认同的概念是使我们成为人类的神经生物学变化的关键部分。
3
You also examine the immense variability of English and come to understand how it is used as a symbol of both individualidentity and social connection.