When a bottle is empty, it goes out in the trash. But bottle glass can be ground into sand and used to pave streets.

还有废弃在垃圾里的空瓶子，玻璃瓶可以被磨成沙用来铺路。

youdao

When a bottle is empty, it goes out in the trash. But bottle glass can be ground into sand and used to pave streets.

还有废弃在垃圾里的空瓶子，玻璃瓶可以被磨成沙用来铺路。

youdao