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
You are a walking dictionary.
你是活字典。
What are you talking about?
你正在讲什么？
Are these bags heavy? No, they're light.
不，是轻的。