behavior/behaviour /biˈheivjə/ n.［u］ 1.行为，举止；态度：win a prize for good behavior 因品行优良而得奖；rough/wild behavior 粗野行为；shameful behavior 可耻行为；the behavior of the teacher to/toward his pupils 老师对待学生的态度 2.(机器等)运转情况，性能，习性：The compass is showing strange behavior. 这只指南针失灵了。
behavio(u)ral /biˈheivjərəl/ adj.行为的，行为上的，强调行为的：a behavioural approach to children's language对儿童语言的行为主义研究方法
