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be supine
be supine 表示仰卧的状态，多用于医疗或正式描述。
The patient was supine during the examination.
检查期间病人仰卧着。
仰卧的
先理解核心含义，再看它在真实句子里的用法。
仰卧的
lying face upward
The patient was supine during the examination.
检查期间病人仰卧着。
仰卧的；背朝下的。
Lying on its back.
朝向身体或向上的:拇指朝外(掌心向上),或大脚趾相对小脚趾抬高。
Turned facing toward the body or upward: with the thumb outward (palm up), or with the big toe raised relative to the little toe.
因冷漠或道德软弱而不愿采取行动的；对某事冷漠或被动的。
Reluctant to take action due to indifference or moral weakness; apathetic or passive towards something.
After the yoga class, she lay supine on the mat, breathing slowly.
瑜伽课后，她仰卧在垫子上，缓慢呼吸。
The patient was placed in a supine position for the examination.
病人被置于仰卧位接受检查。
He lay supine on the grass, staring at the clouds.
他仰卧在草地上，凝视着云朵。
be supine 表示仰卧的状态，多用于医疗或正式描述。
The patient was supine during the examination.
检查期间病人仰卧着。
lie supine 强调保持仰卧姿势，常见于医疗、放松或描述动作后的状态。
She lay supine on the yoga mat, breathing slowly.
她仰卧在瑜伽垫上，缓慢呼吸。
supine position 是固定说法，指仰卧位；supine 也可引申为“懒散的、消极的”，如 a supine attitude。
He slept in a supine position to ease his back pain.
他仰卧睡觉以缓解背痛。
Not this
He lay supine on his stomach for the massage.
Use this
He lay prone on his stomach for the massage.
supine 意为“仰卧的，脸朝上的”，而 prone 意为“俯卧的，脸朝下的”；在表示趴着时应用 prone。注意区分这两个词的方向。
Not this
He supined on the sofa all afternoon.
Use this
He lay supine on the sofa all afternoon.
supine 是形容词，不能单独作谓语；表示“仰卧”应使用 lie + supine 的结构，即 lie supine 或 lie on one's back。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
仰卧姿势
The patient was placed in a supine position.
患者被置于仰卧姿势。
仰卧
He lay supine on the grass, staring at the sky.
他仰卧在草地上，凝视着天空。
仰卧式
The yoga instructor asked us to hold the supine pose for five breaths.
瑜伽教练让我们保持仰卧式五个呼吸。
仰卧的病人
The supine patient complained of dizziness.
那位仰卧的病人抱怨头晕。
被动接受
Many people criticized the government's supine acceptance of the new policy.
许多人批评政府对这项新政策的被动接受。
在……面前消极顺从；面对……时被动不作为
The committee was supine in the face of the director's demands.
委员会面对主任的要求消极顺从。
逆来顺受；消极接受
His supine acceptance of the unfair terms upset his colleagues.
他对不公平条款的逆来顺受让同事们感到不快。
Use supine naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
把 supine 想成“舒平”：舒舒服服仰面躺平，掌心朝天。
语域：formal 常见场景：medical/anatomical description、patient positioning、formal written description supine（仰卧的）多用于医学、解剖学或正式书面描述；日常口语中更常说 lying face up 或 on one's back。
作形容词时无复数；常用于正式或医学术语，表示仰卧姿势或消极被动状态。
Dictionary facts from ECDICT, WIKTIONARY.