1
on sb's lap
注意：on one's lap 指人坐着时大腿上方的区域。
The child sat on his mother's lap.
孩子坐在妈妈的膝盖上。
膝上；大腿
先理解核心含义，再看它在真实句子里的用法。
膝上；大腿
the upper side of the thighs of a seated person
The child sat on his mother's lap.
孩子坐在妈妈的膝盖上。
衣服的下垂部分；下摆；裙子；围裙。
The loose part of a coat; the lower part of a garment that plays loosely; a skirt; an apron.
研磨；搭接；重叠的动作或过程
The act or process of lapping.
用舌头将液体送入口中
The taking of liquid into the mouth with the tongue.
坐着的人大腿的上方
the upper side of the thighs of a seated person
The cat sat on her lap and purred.
那只猫坐在她的膝盖上，发出咕噜声。
AI contextual example
He gently placed the baby in his lap.
他轻轻地把婴儿放在自己的膝盖上。
AI contextual example
She balanced the laptop on her lap while typing.
她在打字时把笔记本电脑平衡地放在膝盖上。
AI contextual example
he picked up the little girl and plopped her down in his lap
他抱起小女孩,把她放到自己的腿上
WordNet
注意：on one's lap 指人坐着时大腿上方的区域。
The child sat on his mother's lap.
孩子坐在妈妈的膝盖上。
lap 也指跑道或泳道的一圈。
She ran a lap around the track.
她绕着跑道跑了一圈。
Not this
The child is sitting on his father's knee.
Use this
The child is sitting on his father's lap.
受中文'膝盖'影响，错误将'lap'（大腿上部）与'knee'（膝盖）混淆。英语中表示坐在某人膝上需用lap。
Not this
She put the book in her lap.
Use this
She put the book on her lap.
介词的误用。英语中物品放在大腿上应用介词'on'，而非'in'。'in the lap'表示在衣服下摆或内部，非此意。
Not this
The baby is sleeping on his mother's legs.
Use this
The baby is sleeping on his mother's lap.
中文广义的'腿'覆盖大腿和膝盖，英语中'legs'指整条腿，而'lap'特指坐姿时大腿上方的平坦区域，更适合表示怀抱。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
在某人膝上
The cat is sleeping on her lap.
猫正在她的膝上睡觉。
坐在某人腿上
The little girl sat on her father's lap.
小女孩坐在她父亲的腿上。
把某物放在膝上
She held the baby in her lap.
她把婴儿放在膝上抱着。
奢侈的生活环境
He grew up in the lap of luxury.
他在奢侈的环境中长大。
膝上小狗（常指小型宠物狗）
She has a little lap dog that follows her everywhere.
她有一只小膝上狗，走到哪儿跟到哪儿。
（比赛胜利后的）绕场一周
The winner took a lap of honor around the track.
获胜者绕跑道跑了一圈以示庆祝。
在奢华的环境中
She grew up in the lap of luxury, never wanting for anything.
她在奢华的环境中长大，从不缺任何东西。
把某事物推给某人（尤指责任）
The manager dropped the project in my lap at the last minute.
经理在最后一刻把这个项目推给了我。
听天由命；由命运决定
Whether we win or lose is in the lap of the gods now.
我们是赢是输，现在就听天由命了。
Use lap naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
膝上部分像跑道的一圈（lap），环抱住你。
Register: neutral. Typical settings: sitting, holding a child or object on the lap. 注: 该词通常用于描述坐着时腿的上部，常见于日常或正式场合，例如抱小孩或放置物品。
All these words rhyme with 'lap' (same vowel /æ/ and final consonant /p/). They share the spelling pattern 'ap'.
Dictionary facts from DICTIONARY_API_DEV, ECDICT, OCTANOVE, WIKTIONARY, WORDNET.