diary
/ˈdaɪəri/
a daily written record of (usually personal) experiences and observations
中文释义：日记；日志
She writes in her diary every night before going to bed.
她每晚睡觉前都会写日记。
The explorer's diary provided valuable insights into the expedition.
探险家的日记为这次探险提供了宝贵的见解。