friendly , kind or helpful , like the expected behaviour of an uncle
发音
例句
1. He began to talk in his most gentle and avuncular manner. 他开始讲话了,态度极其和蔼而慈祥。 2. He was now playing the role of disinterested host and avuncular mentor. 他现在正扮演着慷慨的主人和伯父似的指导人的角色。