Unreturnable
a. 不能返回(或回收)的,无法归还(或偿还)的
🗣️ 情景例句
Biology and mathematics.
生物学和数学。
They fought for the sake of their country.
他们为国而战。
Of course, I have! It's all around us!
我当然看到了，我们周围都是海！