"double as" in Chinese (Simplified)
兼作也可用作
Definition
除了主要用途外，还兼作另一种用途；也可用作其他东西。
Usage Notes (Chinese (Simplified))
“Double as” 为非正式表达，常用于描述可以兼任两种用途的物品或人，结构常为 “X doubles as Y”。不要与 “double for” 混淆（指替代他人）。
Examples
My desk doubles as a dining table.
我的书桌**兼作**餐桌。
This sofa doubles as a bed.
这张沙发**兼作**床。
Her phone doubles as a camera.
她的手机**兼作**相机。
My backpack doubles as a pillow when I travel.
我旅行时，背包**也可用作**枕头。
He doubles as both the chef and the waiter at his restaurant.
他在自己的餐厅**兼作**厨师和服务员。
The lid doubles as a cutting board, which is super convenient.
这个盖子**也可用作**切菜板，非常方便。