# dual ##### 词义 - 英:/ˈdjuːəl/; 美:/ˈduːəl/ - #词性/adj 双的;双重的;二重的;两部分的 - #词性/n 对偶;双数 ##### 例句 - Its influence upon development is dual . - 城乡差别对发展的影响是二重的。 - dual The training airplane has dual controls , one set for the learner and one for the teacher . - adj.二重的;两层的教练机有两套控制系统,一套为学生而设,另一套为教师而设。 - The piece of furniture serves a dual purpose as a cupboard and as a table . - 这件家具有两个用途,既作橱柜也作饭桌。