waste

/weɪst/

any materials unused and rejected as worthless or unwanted

中文释义：废物；浪费

The factory dumped toxic waste into the river, causing severe pollution.

工厂将有毒废物倒入河中，造成严重污染。

Recycling programs help reduce the amount of waste sent to landfills.

回收计划有助于减少送往垃圾填埋场的废物量。