Stepping system
[计] 步进式系统
🧩 词语组成解析
[计] 步进式, 改变
🗣️ 情景例句
but I'm happy being a photographer.
但我乐于当一名摄影师。
It was so beautiful it took my breath away.
它美得使我目瞪口呆。
It's about20,000 kilometres.
大约有20，000公里。