- 释义：
- adj. 故意的；慎重的
- 例句：
-
He studied very hard but couldn't pass his examination.
他学习很努力,但没能考及格.
换一句
-
She studied architecture and art history at the university.
她在大学里学习建筑和艺术史.
换一句
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The biology class studied the generation of fruit flies.
生物班的学生研究了果蝇的繁殖.
换一句