单词	abaxial
释义	abaxial adjective ab·​ax·​i·​al (ˌ)a-ˈbak-sē-əl  : situated out of or directed away from the axis the abaxial or lower surface of a leaf Example Sentences Recent Examples on the Web The two fields run perpendicular to each other, with one from the base to the tip of the leaf and the other from the surface to the adaxial-abaxial boundary. Maddie Burakoff, Smithsonian Magazine, 29 Jan. 2020 Word History Etymology ab- + axial First Known Use 1835, in the meaning defined above
随便看	onc- once once again once again/more once and again once and for all once bitten, twice shy once in a blue moon once in a lifetime once in a while once more once or twice once that once upon a time once-accented octave once-born once-over once-over-lightly once-overs oncer oncers onces oncest oncet onch-

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