Cascade graphs
[电] 梯级图
🧩 词语组成解析
n. 图形, 图表；曲线图（graph的复数）
🗣️ 情景例句
It's wonderful!
太好了！
A good teacher should always avoid embarrassing his students.
一位好的教师无论何时都应该避免使学生感到难堪。
What are you doing?
你在干什么？