unused
US
UK unused adj: (object: not used) (物体等)
SC 未使用过的，没用过的 wèi shǐ yòng guò de，méi yòng guò de
One third of all unused food is wasted by households in developed countries.
unused to [sth] prep: (not accustomed to)
SC 不习惯
SC 不适应
She enjoyed the meal, but she was unused to such rich food.