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appendage of sth
用于生物体，表示从身体向外伸出的器官或部位。
The fin is an appendage of the fish.
鱼鳍是鱼的附属物。
附肢
appendages — plural of appendage
先理解核心含义，再看它在真实句子里的用法。
附肢
An external body part that projects from the body, such as a limb or tail.
The fin is an appendage of the fish.
鱼鳍是鱼的附属物。
从身体伸出的外部身体部位。
An external body part that projects from the body.
从身体伸出的外部身体部位
an external body part that projects from the body
任何生物体某部分自然延伸或突出物。
A natural prolongation or projection from a part of any organism.
从动物或植物的某一部分自然延伸或突出的部分
a natural prolongation or projection from a part of an organism either animal or plant
The crab uses its claws as appendages for catching food.
螃蟹用它的钳子作为捕食的附肢。
An insect's antennae are sensitive appendages that help it smell and touch.
昆虫的触角是敏感的附肢，帮助它嗅闻和触碰。
Many sea creatures have small appendages that help them move through the water.
许多海洋生物都有小的附肢，帮助它们在水中移动。
用于生物体，表示从身体向外伸出的器官或部位。
The fin is an appendage of the fish.
鱼鳍是鱼的附属物。
用于非生物体，表示附属于较大物体的部分。
The new wing is an appendage to the main building.
新侧厅是主楼的附属部分。
含贬义，表示无足轻重、可有可无。
He felt like a mere appendage to the project team.
他觉得自己只是项目组的一个附属人员。
Not this
The octopus has eight appendage.
Use this
The octopus has eight appendages.
appendage 是可数名词，表示多个附肢时须加复数后缀 -s；eight 明确是复数概念，所以要用 appendages。
Not this
She appendaged a comment to the email.
Use this
She appended a comment to the email.
appendage 是名词，不能用作动词；表示“附加”应使用动词 append，其过去式为 appended。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
外部附肢
The antenna is an external appendage of the insect.
触角是昆虫的外部附肢。
肉质突起
The turkey has a fleshy appendage hanging over its beak.
火鸡的喙上方垂着一个肉质突起。
仅仅是个附属物
She felt like a mere appendage to the celebrity.
她觉得自己只是这位名人的附属品。
建筑物的附属部分
The new wing is an appendage to the main building.
新的侧楼是主楼的附属部分。
装饰性附属物
The buttons on the sleeves are purely decorative appendages.
袖子上的纽扣纯粹是装饰性附属物。
微不足道的附属物；无关紧要的附加物
The committee chairman treated the vice-chairman as a mere appendage, ignoring his suggestions.
委员会主席把副主席当作无关紧要的附属品，无视他的建议。
成为（某人或某物的）附庸；依附于
He was determined not to be an appendage to his famous father.
他决意不做他著名父亲的附庸。
Use appendages naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
记忆联想：开头append像“附加”，把身体外“附加上”的肢体（如手臂、触角）想象成appendage。
语域：formal 常见场景：生物学或解剖学文章、正式书面语（“附属物”义项） 该词通常用于正式或学术语境，多出现在生物学或解剖学中形容从身体伸出的肢体或附器；日常口语里更常说 arm、leg、tail 等具体词。表示“附属物”时也比较常见于正式书面语。
较正式用语，常指动物/植物的突起部位或附属于主体之物。
Dictionary facts from ECDICT, WIKTIONARY.