单词	manna grass
释义	manna grass noun : any of a genus (Glyceria) of chiefly North American perennial grasses of wetland or aquatic habitats Word History First Known Use 1759, in the meaning defined above
随便看	obviousliest obviously obviousness obviousnesses obviousser obvioussest obvolute obvolutions obvolve oc OC oc's-heath oca Ocala ocarina ocarinas ocas occ occam Occam's razor Occamism occamism occamist regardless regardless of

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