variable1/ˋvɛrIəbḷ; ˈveəriəb$l/adj likely to change often or to be different [→ vary] 多变的﹐不稳定的﹔可变的: a variable rate of interest 浮动利率Hospital food is highly variable in quality. 医院食物品质差异很大。 —variability /͵vɛrIəˋbIlətI; ˌveəriəˈbIləti or ˌveəriəˈbIlIti/n [U]
variable2n [C] something that may be different in different situations 变数﹐可变因素: economic variables 经济变数