Unreturnable
a. 不能返回(或回收)的,无法归还(或偿还)的
🗣️ 情景例句
How did you do that?
你怎么做到的呢？
What's your brother planning to do tomorrow?
你的兄弟计划明天做什么？
Such an attempt only aggravates the strain of mental effort.
这种愿望只能加剧精神紧张。