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
I have room reserved.
我已订了房。
Good watch prevents misfortune.
有备无患。
Really? Are pigs beautiful? I've seen them before, but they weren't beautiful at all!
真的吗？猪会漂亮吗？我以前见过它们，但它们一点也不漂亮！