ondol, on, on-the-spot journalism, on first-name terms with, On American Deconstruction, on Duty Education Training, On the way to Shangri-La, on-condition maintenance, on someone's own admission, on-the-spot management, On-line fouling Cleaning, on-line real time system
相似詞
on its last legs idiom, on message, on no account idiom, on one level...on another level idiom, on pins and needles idiom, on sb's account idiom, on sb's doorstep idiom, on skid row idiom, 返回 on paper