单词	couch grass
释义	couch grass noun ˈkau̇ch-  ˈküch-  1 : quack grass 2 : any of several grasses that resemble quack grass in spreading by creeping rhizomes Word History Etymology alteration of quitch First Known Use 1578, in the meaning defined at sense 1 Medical Definition couch grass noun : quack grass
随便看	suboptimized suboptimizes suboptimizing suboptimum suboral suborbicular suborbiculate suborbiculated suborbital suborder suborders subordinacy subordinal subordinaries subordinary subordinate subordinate clause subordinated subordinately subordinateness subordinatenesses subordinates subordinating subordinating conjunction subordination

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