例句
This sofa has a dual purpose: sitting and sleeping.
这张沙发有两种用途：坐着休息和睡觉。
Many working parents face the dual challenge of earning an income and caring for young children.
许多在职父母面临着挣钱和照顾幼儿的双重挑战。
常用搭配
- dual purpose｜双重用途
- dual role｜双重角色
- dual citizenship｜双重国籍
- dual function｜双重功能
词形与相关词
duality (n.)
用法提示
dual 强调两部分或双重功能；勿与 duel（决斗）混淆。