1
the udder of [animal]
常用于描述动物乳房的所属。
The udder of the cow produces milk.
这头母牛的乳房产奶。
（母畜的）乳房；乳腺
先理解核心含义，再看它在真实句子里的用法。
（母畜的）乳房；乳腺
the mammary organ of female mammals such as cows, goats, sheep, and deer, from which milk is produced
The udder of the cow produces milk.
这头母牛的乳房产奶。
An organ formed of the mammary glands of female quadruped mammals, particularly ruminants such as cattle, goats, sheep and deer.
牛科动物(如牛、羊、山羊)的乳腺
mammary gland of bovids (cows and sheep and goats)
The farmer gently cleaned the cow's udder before attaching the milking machine.
农民在安装挤奶机之前，轻轻清洗了奶牛的乳房。
A calf nudged its mother's udder, eager to drink milk.
小牛用鼻子蹭着母牛的乳房，急着要喝奶。
The goat's udder looked swollen, so they called the veterinarian.
这只山羊的乳房看起来肿胀，所以他们叫来了兽医。
常用于描述动物乳房的所属。
The udder of the cow produces milk.
这头母牛的乳房产奶。
形容词常描述乳房的状态，如肿胀、感染等。
The vet checked the swollen udder.
兽医检查了肿胀的乳房。
动词搭配中，‘milk’是最常见的动词。
The farmer gently milked the udder.
农民轻轻地挤了乳房。
Not this
The cow has two udder.
Use this
The cow has two udders.
英语中可数名词变复数时通常要加-s或-es，'udder'的复数是'udders'。中文没有复数变化，学习者易忽略。
Not this
The cow's utter is full of milk.
Use this
The cow's udder is full of milk.
'udder'（乳房）与'utter'（完全的、说出）发音相似但意义不同，学习者可能因发音混淆而拼写错误。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
牛的乳房
The farmer gently washed the cow's udder before milking.
挤奶前，农夫轻轻地清洗了牛的乳房。
胀满的乳房
The ewe's full udder showed that her lambs had not fed for a while.
母羊胀满的乳房表明，她的羊羔有一段时间没有吃奶了。
肿胀的乳房
A swollen udder can be a sign of mastitis in dairy cattle.
肿胀的乳房可能是奶牛患乳腺炎的一个迹象。
乳房感染
Regular milking and cleanliness help prevent udder infections.
定期挤奶和保持清洁有助于预防乳房感染。
Use udder naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
想象奶牛肚子下挂着‘udder’（音近‘阿德’）——一坨乳腺，挤奶时手托住它。
语域：neutral 常见场景：farming、veterinary medicine、biology 通常为中性词，多用于农业、兽医或生物学等场景；日常口语中较少出现，正式文本也适用。
指牛、羊等哺乳动物的乳房，通常用复数形式udders表示多个。
Dictionary facts from ECDICT, WIKTIONARY.