Improving
a. 有启发的；有教育意义的
✅ 同义词
🗣️ 情景例句
I sure do. It was fun.
当然。当时真有意思。
Why are you so lazy?
你为什么这样懒惰？
Since that time, racing drivers have reached speeds over 600 miles an hour.
从那时以来，赛车选手已达到每小时600英里的速度。