短語(yǔ)詞組短語(yǔ)ripple e marks 波痕aeolian ripple marks 風(fēng)成波痕oscillation cross ripple marks 振蕩交錯(cuò)波痕compound ripple marks 復(fù)波痕;[地質(zhì)]復(fù)合波痕rectangular cross ripple marks 矩形交錯(cuò)波浪 返回 ripple marks