Improving
a. 有启发的；有教育意义的
✅ 同义词
🗣️ 情景例句
I certainly am. May I help you?
我是，我能帮您什么忙吗？
Learning is better than house and land.
学问是一生的财富。
Litter baskets have been placed under the trees, but people still throw their rubbish everywhere.
树下都已设置了废物筐，但是人们仍到处扔垃圾。