v. 学习；端详；研究；求学；记住（或背下）台词；仔细考虑；尽力取得（结果）（study 的过去式及过去分词）
adj. 深思熟虑的；博学的；刻意的；精心策划的；装模作样的
case study个案研究；案例研究
course of study学科；学习的进程；研究课程
词根：study
adj.
studious 用功的；热心的；专心的；故意的；适于学习的
adv.
studiously 故意地；好学地；注意地
n.
study 学习，研究；课题；书房；学问
studiousness 好学
vi.
study 研究；用功
vt.
study 学习；考虑；攻读；细察
1.He studied philosophy and psychology at Yale.
他在耶鲁大学学习哲学和心理学。
2.She introduced herself with studied casualness.
她故作轻松地做了自我介绍。
3.She studied painting from 1926 and also worked as a commercial artist.
她从1926年开始研究绘画，同时也是一名商业美术家。
4.Debbie studied her friend's face for a moment.
黛比端详了一会儿她朋友的脸。
5.She studied me warily, as if I might turn violent.
她警惕地盯着我，好像我会变得很粗暴似的。
6.I studied Italian so that I would be able to read Dante in the original.
我学习意大利语以便能读但丁的原著。
7.Many toxic effects can be studied at the cellular level.
许多毒性作用在细胞阶段就可加以研究。