1
the kneecap
The kneecap is a small bone in front of the knee.
膝盖骨是膝前部的一块小骨头。
膝盖骨
先理解核心含义，再看它在真实句子里的用法。
膝盖骨
kneecap
The kneecap is a small bone in front of the knee.
膝盖骨是膝前部的一块小骨头。
膝盖中扁平略圆的骨头
The flat, roundish bone in the knee.
膝盖前方的一块小而扁平的三角形骨头,保护膝关节
a small flat triangular bone in front of the knee that protects the knee joint
覆盖在切割弯曲后的面板肋上的金属包边
A metal cover trim that fits over a panel rib after it has been cut and bent.
主要用于马匹的膝盖护罩,以防摔倒时保护膝盖
A cap or strong covering for the knees, used chiefly for horses, to protect their knees in case of a fall.
The doctor said I bruised my kneecap when I fell.
医生说，我摔倒时撞伤了膝盖骨。
She landed on her knees and felt a sharp pain in her left kneecap.
她双膝着地，左膝盖骨感到一阵剧痛。
The runner wrapped a bandage around both kneecaps after the race.
赛跑结束后，跑者给两个膝盖骨都缠上了绷带。
The kneecap is a small bone in front of the knee.
膝盖骨是膝前部的一块小骨头。
表示“某人的膝盖骨”时，在 kneecap 前用所有格代词，如 her kneecap。
She bruised her kneecap when she fell.
她摔倒时撞伤了膝盖骨。
He fractured his kneecap while skiing.
他滑雪时膝盖骨骨折了。
Not this
I twisted my kneecap while playing basketball.
Use this
I twisted my knee while playing basketball.
汉语的“膝盖”常兼指整个膝部和膝盖骨，但英语 kneecap 只指膝盖骨；扭伤的是整个膝关节，所以用 knee。
Not this
She fell and hurt both kneecap.
Use this
She fell and hurt both kneecaps.
kneecap 是可数名词，both 后面要用复数 kneecaps；中文名词没有复数后缀，所以学习者容易漏写 -s。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
膝盖骨骨折
He was unable to walk because of a fractured kneecap.
他因膝盖骨骨折而无法行走。
膝盖骨脱位
She was in pain because of a dislocated kneecap.
她因膝盖骨脱位而疼痛。
膝盖骨疼痛
Kneecap pain is a common complaint among long-distance runners.
膝盖骨疼痛是长跑运动员常见的困扰。
打碎某人的膝盖骨
The film shows a gangster who threatens to break a witness's kneecap.
这部电影中，一个黑帮分子威胁要打碎证人的膝盖骨。
发长 /iː/ 音 (如 see, free)
Use kneecap naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
联想：knee（膝盖）+ cap（盖子）= 膝盖骨，像膝盖上戴了个小盖子。
语域：neutral 常见场景：日常对话、医患交流 作为名词指“膝盖骨”时，英语中通常说 kneecap，属于日常中性词，口语和一般书面语都常见；在正式医学文献中则多用 patella。
这些词中，cap、map、nap、tap、lap 都与 kneecap 末尾的 /kæp/ 押韵。注意 knee 虽然拼写以 kn- 开头，但发音为 /niː/，并不与 /kæp/ 押韵；kneecap 中的 k 也不发音。
Dictionary facts from ECDICT, WIKTIONARY.