Ainsworth hiked three types of attachment — secure, anxious-avoidant attachment, and anxious-ambivalent attachment.

安斯沃思提出了三种类型的依恋——安全型，焦虑回避型和焦虑矛盾型依恋。

A fourth type of attachment was introduced later on by Ainswroth's colleague Mary Main.

第四种类型的依恋后来由安斯罗斯的同事玛丽·梅因提出。