基本解釋[地質] 流痕，流跡詞組短語短語flute rill mark 槽形細流痕bifurcating rill mark 分叉狀流痕branching rill mark 分枝狀流痕lobate rill mark [地質]舌狀流痕conical rill mark 錐形流痕rill mark更多詞組專業(yè)釋義地球科學流痕，流跡細流痕流痕