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become/remain + sedentary
系动词后作表语，表示进入或保持久坐状态。
After the operation, he remained sedentary for weeks.
手术后，他连续几周都久坐不动。
久坐的；活动量少的
先理解核心含义，再看它在真实句子里的用法。
久坐的；活动量少的
requiring sitting or little activity
After the operation, he remained sedentary for weeks.
手术后，他连续几周都久坐不动。
不移动的；相对静止的；待在附近的
Not moving; relatively still; staying in the vicinity.
定居的；固定居住的；与游牧相对
Living in a fixed geographical location; the opposite of nomadic.
久坐的；不常运动的
Not moving much; sitting around.
After working in an office for ten years, he decided to change his sedentary lifestyle and join a gym.
在办公室工作十年后，他决定改变久坐的生活方式，去健身房锻炼。
A sedentary job can make your back and neck stiff, so try to stand up every half hour.
久坐的工作会让你的腰背和脖子僵硬，所以尽量每半小时站起来一下。
She knew her sedentary habits were unhealthy, so she bought a standing desk.
她知道自己的久坐习惯不健康，于是买了一张站立式办公桌。
系动词后作表语，表示进入或保持久坐状态。
After the operation, he remained sedentary for weeks.
手术后，他连续几周都久坐不动。
lead 常与 life/lifestyle 搭配，表示“过……的生活”。
People who lead a sedentary lifestyle are at higher risk of heart disease.
过着久坐少动生活的人患心脏病的风险更高。
作定语修饰名词，常指需要长时间坐着的工作或生活方式。
She left her sedentary job to become a teacher.
她辞去了久坐的工作，去当老师。
在生物学中，指固定栖息、不移动的物种。
A coral is a sedentary animal that attaches itself to the sea floor.
珊瑚是一种附着在海床上的固着动物。
Not this
I sedentary all day.
Use this
I am sedentary all day.
汉语形容词可以直接作谓语，但英语形容词不能单独作谓语，必须用系动词 be 连接主语。所以应把 sedentary 放在 am 之后作表语。
Not this
Sedentary is bad for your health.
Use this
Being sedentary is bad for your health.
sedentary 是形容词，不能像名词一样直接作主语。改正时可用动名词短语 Being sedentary 作主语，或用 a sedentary lifestyle 这类名词短语作主语。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
久坐的生活方式
A sedentary lifestyle can increase your risk of obesity.
久坐的生活方式会增加肥胖的风险。
久坐行为
Prolonged sedentary behavior is linked to heart disease.
长时间的久坐行为与心脏病有关。
久坐的工作
She has a sedentary job and tries to walk during lunch.
她的工作久坐不动，所以她尽量在午休时散步。
久坐的习惯
You should replace your sedentary habits with regular exercise.
你应该用定期锻炼来取代久坐的习惯。
Use sedentary naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
记法：sedentary 里有 dent（凹痕），想象久坐不动的人把椅子坐出一个坑——久坐的。
语域：formal 常见场景：健康与生活方式描述、学术或医学文本 该词多用于正式或书面语境，尤其常见于健康、医学和生活方式讨论中；口语中较少用。
没有常用词与 sedentary /ˈsɛdəntəri/ 押韵。下列词都以 -ary 结尾，但重音或元音不同：secretary、commentary、momentary、voluntary、elementary、ordinary。其中 elementary 拼写同样含 -entary，但重音在第三个音节，读音与 sedentary 明显不同。
Dictionary facts from ECDICT, OCTANOVE, WIKTIONARY.