Treadboard
n. 踏板
??? 情景例句
Sure. Would you please sign your name on the back, sir, with your passport number?
每問題。先生，請您在支票背后簽上名字和護照號碼。
Today is the scholar of yesterday.
今天是昨天的學者。
You are just saying that.
你只是說說而已。