音标：英 /ˈstʌdi/，美 /ˈstʌdi/
核心含义：作为英语常用词，study 兼具名词和动词词性，核心语义围绕“学习、研究、专注考察”展开，适用场景涵盖教育、学术、日常观察等多个领域。
学习、攻读：通过阅读、练习等方式获取知识或技能。
例：She has been studying English for five years.（她学英语已有五年。）
研究、调查：对某课题进行系统分析或实验。
例：Scientists are studying climate change impacts on coral reefs.（科学家正研究气候变化对珊瑚礁的影响。）
端详、仔细观察：专注审视某人或某物的细节。
例：He studied the painting for hours to identify its origin.（他仔细观察画作数小时以确定其出处。）
学习、学业：获取知识的过程或状态。
例：Good study habits contribute to academic success.（良好的学习习惯有助于学业成功。）
研究、课题：针对特定主题的系统性调查。
例：A recent study found links between sleep quality and productivity.（最近一项研究发现睡眠质量与生产力相关。）
书房：用于阅读、工作的专用房间。
例：Her study is filled with books on philosophy.（她的书房摆满了哲学书籍。）
学科、研究领域：特定的学术分支。
例：She majors in media studies at university.（她在大学主修传媒学。）
复数：studies（名词义“研究、学科”时）
第三人称单数：studies
过去式/过去分词：studied
现在分词：studying
| 短语 | 含义 | 例句 |
|---|---|---|
| study hard | 努力学习 | Students must study hard to pass the entrance exam. |
| study abroad | 出国留学 | Many young people choose to study abroad for better opportunities. |
| case study | 案例研究 | The professor used a case study to explain business ethics. |
| further study | 深造 | After graduation, she plans to pursue further study in medicine. |
| study in detail | 详细研究 | The team studied the data in detail before publishing the report. |
How long have you been studying Chinese?（你学中文多久了？）
This study suggests that exercise improves mental health.（这项研究表明运动改善心理健康。）
He spends most evenings in his study reading history books.（他多数夜晚在书房读历史书。）
She is studying to become a software engineer.（她正在学习成为一名软