litter
noun uk/ˈlɪt.ər/ us/ˈlɪt̬.ɚ/
(RUBBISH)
B2 [ U ]（散落在公共场所的）小块垃圾，废弃物
small pieces of rubbish that have been left lying on the ground in public places
About two percent of fast-food packaging ends up as litter. 约有2%的快餐包装会被人当作垃圾随手扔掉。
(BABY ANIMALS)
[ C, + sing/pl verb ]一窝幼崽
a group of animals that are born at the same time and have the same mother
a litter of kittens 一窝小猫
(BED)
[ U ]（动物睡觉用的）褥草，草垫
dried grass or plant stems used by animals as a bed
(ANIMAL TOILET)
[ U ]（供宠物便溺的）猫沙
a substance that is put in a container to be used as a toilet by pets
cat/pet litter 猫/宠物沙
litter
verb uk/ˈlɪt.ər/ us/ˈlɪt̬.ɚ/
[ T ]四处乱扔，到处乱丢
to spread across an area or place untidily
The park was littered with bottles and cans after the concert. 音乐会结束后，公园里到处都是被人丢弃的瓶瓶罐罐。
Dirty clothes littered the floor of her bedroom. 她的卧室地板上到处都是脏衣服。
be littered with something 布满，到处都是
A place, document, or other object that is littered with something has or contains a lot of that thing.
The newspaper has a reputation for being littered with spelling mistakes. 该报错字连篇，尽人皆知。
The whole area is littered with huge granite boulders.
His desk is littered with scripts from hopeful authors.
The countryside is littered with unexploded bombs.
I was shocked to discover that the report was littered with errors.
[ I ]在公共场合乱扔垃圾
to drop rubbish on the ground in a public place
People who litter often have no pride in the area. 随地乱扔垃圾的人没有地区荣誉感。