Treadwheels
(treadwheel 的复数) n. 踏车
🗣️ 情景例句
Yes, sir.
是的 ，先生。
Repentance is good, but innocence is better.
悔罪虽好，无罪更佳。
it would be up and down, to and for and from side to side.
呈现出上上下下、来来回回、左左右右3种性质的运动。