单词	passage bed
释义	passage bed noun : a stratum that forms a transition between rocks of two geological systems Word History Etymology passage entry 1
随便看	Rubia Rubiaceae rubiaceaes rubiaceous rubiae Rubiales rubialeses rubialesses rubias rubicelle rubicelles Rubicon rubiconned rubiconning rubicons rubicund rubicundities rubicundity rubidic rubidium rubidiums rubied rubier rubies rubiest

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