Affrayer
n. 打架者；毆斗者；鬧事者
??? 情景例句
Your buildings are very large, aren't they?
你們的廠房很大，對(duì)嗎？
Have you ever thought about a career in the medical profession?
你曾經(jīng)在醫(yī)藥專業(yè)考慮職業(yè)嗎？
a trough (the lowest point), a height (the vertical distance from the trough to the crest),
波谷（最低點(diǎn)）、浪高（從波谷到浪峰的垂直距離）