Staircase structure
[计] 阶梯结构
🧩 词语组成解析
🗣️ 情景例句
But you had to be good at math.
但是你数学一定很好。
Playing with fire!
找死！
It usually comes in February or March. Summer is often very hot.
通常在2月或3月开始。夏天很热。