prep. In the time of; as long as the action or existence of;
as, during life; during the space of a year.
prep. 在...的时候
1. I like to listen to music during my study time.
我喜欢在学习时听音乐。
2. We went for a walk during the afternoon.
我们在下午散步。
3. She always feels happy during the holidays.
她在假期期间总是感到快乐。