r. in a close relation or position in time or space
r. in a close manner
adv. 接近地
1. She studied the painting closely to understand the artist's style.
她仔细研究了这幅画，以了解艺术家的风格。
2. We need to look closely at the details before making a decision.
在做决定之前，我们需要仔细查看细节。
3. The teacher watched the students closely during the exam.
老师在考试期间仔细观察学生。