Unreturnable
a. 不能返回(或回收)的,无法归还(或偿还)的
🗣️ 情景例句
What happened?
发生了什么事？
I have a dog, but it's very quiet.
我有一只狗，不过它很安静。
The instrument was bought by my grandfather many years ago.
是我祖父在很多年以前买的。