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
Don't worry.
别愁。
Before you decide, have a good taste of Marie's cake.
没吃之前先别作决定，且先尝尝玛丽可口的蛋糕。
A friendly waiter taught me a few words of Italian.
一位好客的服务员教了我几句意大利语，