reusable       
adjective uk/ˌriːˈjuː.zə.bəl/ us/ˌriːˈjuː.zə.bəl/
 可重复使用的
able to be used more than once
  reusable nappies/packaging 可重复使用的尿布/包装 
 I always carry a reusable shopping bag. 我总是带着一个可重复使用的购物袋。 
 See: reuse
 - More examples
 - Fill up reusable bottles from the tap.
 - The company plans to make the vehicle fully reusable.
 - He put the leftover food in reusable plastic containers.
 - The uniform should be reusable from year to year.