s. getting higher or more vigorous
a. 有启发的;有教育意义的
1. She is always improving her skills by taking online courses.
她通过参加在线课程来不断提高自己的技能。
2. The team is focused on improving their performance this season.
这个团队专注于提高他们本赛季的表现。
3. Reading books is a great way to improve your vocabulary.
阅读书籍是提高词汇量的好方法。