1、litter：并不是真正意义上的废物，而是用后散置的“杂物”，相当于odds and ends，或索性说是残余物（leavings）
Always pick up your litter after a picnic.
2、waste：真正的废物，美国人常用trash,此字还有“残屑”、或“垃圾”之意。
垃圾篓美国人用trash can；英国用dustbin.美国人把南方的穷苦白人叫the (poor) white trash;可见，此词又可作“无价值的`人或物”解释。
That book is mere trash.
3、rubbish：范围广，真正的废物。也可表惊叹“Rubbish(胡说！)”
英国人常说：That book is all rubbish.
4、厨房残屑:kitchen refuse或refuse：此词做废物或无用之物讲，但一般指固体废物，不指可排泄的垃圾。
5、到垃圾的地方：a dumping ground; a dumping-place for rubbish; a rubbish dump.
6、junk:垃圾、废物。原意是“破烂货”。
His writing is all junk.
7、废人、社会渣滓：human waste; debris; dregs of population; off-scourings of humanity; dross of mankind; hobo
He is now a "has-been"(他现成了废物)＝He outlived his usefulness.
书香门第
