Staircase structure
[计] 阶梯结构
🧩 词语组成解析
🗣️ 情景例句
Is the weather always like this?
这儿的天气总是这样吗？
Not necessarily.
不见得。
Captain Fawcett has just refused a strange request from a businessman.
弗西特机长刚刚拒绝了一位商人的奇怪要求。