1
a litter of + plural noun
用于表示一窝幼崽。
The cat gave birth to a litter of five kittens.
这只猫生了一窝五只小猫。
乱扔的垃圾；废弃物
先理解核心含义，再看它在真实句子里的用法。
乱扔的垃圾；废弃物
Waste or rubbish left lying around, especially in public places.
The cat gave birth to a litter of five kittens.
这只猫生了一窝五只小猫。
用作人或动物床铺的稻草、草或类似松散材料
Straw, grass, and similar loose material used as bedding for people or animals.
一窝所生的幼崽
the offspring at one birth of a multiparous mammal
由人肩膀或动物背部抬或悬挂的移动床或沙发
A mobile bed or couch transported upon or suspended from poles placed over human shoulders or animal backs.
乱扔的垃圾
rubbish carelessly dropped or left about (especially in public places)
There is a lot of litter on the beach after the holiday weekend.
假日周末过后，海滩上有很多垃圾。
The park was full of litter after the concert.
音乐会结束后，公园里到处都是垃圾。
The city has a problem with litter on the streets.
这座城市存在街道垃圾问题。
用于表示一窝幼崽。
The cat gave birth to a litter of five kittens.
这只猫生了一窝五只小猫。
litter作不可数名词，意为垃圾。
Please do not drop litter on the beach.
请勿在海滩上乱扔垃圾。
Not this
I saw a litter of trash on the street.
Use this
I saw a pile of trash on the street.
中国学习者常误用' a litter of '表示'一堆垃圾'，但'a litter of'只用于指代一次产下的幼崽（如一窝小狗），不能用于垃圾。表示一堆垃圾应使用'a pile of'或直接使用不可数名词'litter'。
Not this
There are many litters on the floor.
Use this
There is a lot of litter on the floor.
当'litter'表示垃圾时是不可数名词，不能加复数-s。正确用法是使用'litter'作为不可数名词，或用量词如'a piece of litter'。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
垃圾桶
Please throw your empty bottle into the litter bin.
请把空瓶子扔进垃圾桶。
猫砂盆
The cat uses the litter box in the corner.
这只猫使用角落里的猫砂盆。
垃圾夹
Volunteers used litter pickers to clean up the park.
志愿者们用垃圾夹清理公园。
一窝小狗
The mother dog gave birth to a litter of six puppies.
狗妈妈生了一窝六只小狗。
乱扔垃圾
It is illegal to drop litter in the street.
在街上乱扔垃圾是违法的。
垃圾问题
The city has a serious litter problem after the festival.
节日过后，该市面临严重的垃圾问题。
一窝（幼崽）
The cat gave birth to a litter of five kittens.
那只猫生下了一窝五只小猫。
Use litter naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
想象母猫生下一窝（litter）小猫，它们把房间弄得像垃圾场（litter）。
neutral; public places; 通常用于描述公共场所的废弃物，语气中性。
注意：litter作名词时，在“一窝幼崽”和“轿子”义项上为可数名词（如a litter of puppies），在“垃圾”义项上通常为不可数名词，但也可用作可数名词指多堆垃圾。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY, WORDNET.