Unreturnable
a. 不能返回(或回收)的,无法归还(或偿还)的
🗣️ 情景例句
And you can use my Walkman.
你可以用我的随身听。
It'll come to me.
我会想起来的。
Since then, they have been trying to find out how the fire began.
从那时起，他们一直试图找出起火的原因。