junk
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 have told you not to eat junk food.
我已经告诉你别吃垃圾食品了。
You have to filter through all the junk to find your own personal or work email.
你必须通过过滤所有的垃圾找到了自己的个人或工作电子邮件。
The junk market has been unsettled for the past seven months.
过去7个月中废旧货市场一直起伏不定。
I found all your junk.
我找到了你的那些东西。
Rose finds her furniture in junk shops
罗丝从旧货店买来了家具。
My car turned out to be a piece of junk.
我的车变成一堆废物了。