Stepped wheel
[化] 塔轮
🧩 词语组成解析
v. 踏；行走（step的过去式和过去分词）
wheel
[wil]
n. 轮子;旋转;Wheels 汽车;有…轮子的汽车（或自行车等）;
vi. 转动，旋转;突然转变方向;
vt. 推;拉（车）;使变换方向;（使）迅速转身;
🗣️ 情景例句
Never say die.
永不气馁！
You cannot have two forenoons in the same day.
一日之中不可能有两个上午。
when H.M.S. Porcupine was put at the disposal of the Royal Society for several cruises,
皇家学会用英国"豪猪号舰艇进行了几次巡航后，