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
Ooh! Oh, that's wonderful!
噢！噢， 太好了！
Your pronunciation is excellent.
你的发音很好。
When they had gone, the driver of the car came towards him.
他们走后，汽车司机向他走来，