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
You really must have your wits about your when dealing with such people.
跟这类人打交道，你必须格外警觉。
Would you help me lift this heavy box?
你将帮助我提起这个重盒子吗？
Is there a minimum order?
有最低订购量的限制吗？