unused [ˌʌnˈju:zd]

例句:

• If unused, winter radishes run to seed in spring.
  如果不去动的话，冬萝卜会在春天开花结籽。
  来自柯林斯例句
• The books looked faded, dusty and unused.
  那些书看上去褪了色，尘封已久。
  
• Mother was entirely unused to such hard work.
  妈妈对这么艰苦的工作完全不习惯。
  
• The dining room...never lost a musty and unused smell.
  来自A. Carter
• This year its unused airstrip was torn up.
  来自THETIMES
• Ironically, they look set to remain unused.
  来自THETIMES