waste
单词辨析：
多指生活中的有机废料，如废纸、包装盒、剩饭剩菜或变质的食物等。
Tom went to dump the garbage.
汤姆去倒垃圾。
Garbage pollutes our rivers and lakes.
垃圾污染我们的河川湖泊。
指某处堆积的垃圾或某种材料无用的碎渣、碎片等。
The ditches had filled up with mud and debris.
沟渠中塞满了淤泥和垃圾。
Was the debris removed in your presence?
你在现场时，碎渣等垃圾是否清除掉了？
指没有用处、毫无价值的废旧物品。
There is a heap of junk in the corner.
墙角有一堆废旧杂物。
He threw away all the junk in the boot of his car.
他把汽车行李箱中所有废旧杂物都扔掉了。
尤指在公共场所散落于地、有碍观瞻的废弃物。
Don't drop litter anywhere.
请不要乱扔垃圾。
There were piles of litter in the streets.
街道上垃圾成堆。
普通用词，指扔掉的食物、废纸等；也可指任何不再使用而应该扔掉的东西，但作此义解时多用于非正式文体。
They burnt up all the garden rubbish.
他们将花园中的垃圾全部烧掉了。
The dustman comes once a week to collect the rubbish.
垃圾工每周来收一次垃圾。
Oh God, he's got so much rubbish on his desk!
天哪，他桌上有那么多垃圾！
普通用词，多指已无使用价值的材料或陈旧的、破损的物品，也可指任何被丢弃之物。
household/industrial waste
家庭垃圾/工业废料
Put all the waste in this bag.
把所有垃圾放进这只袋子里。
They disposed of the city's waste in the sea.
他们把城里的垃圾倒入海中。
相关例句：
I'm not one to waste time on just anyone.
我可不是个随便浪费时间在任何人身上的人。
'It's a waste of time,' he concluded
“这是浪费时间。”他总结道。
They have no way to dispose of the hazardous waste they produce
他们没有办法处理掉自己产生的有害废料。
The system wastes a large amount of water.
这套系统浪费了大量的水。
The aphid is now laying waste to the wheat and barley fields.
蚜虫正在毁掉一片片的小麦和大麦田地。
There could be many reasons and he was not going to waste time speculating on them
原因可能有很多，他不打算浪费时间对此妄加猜测。