Stepped construction
[化] 阶梯式结构
🧩 词语组成解析
v. 踏；行走（step的过去式和过去分词）
🗣️ 情景例句
A red sky at night indicates fine weather the following day.
晚上天边红预示着明早天气好。
Nothing can shake the basis for my belief.
任何东西都动摇不了我信念的基础。
I have two cats. One is white, the other is black.
我有两只猫，一只是白猫，另一只是黑猫。