单词	bilateral symmetry
释义	bilateral symmetry noun : symmetry in which similar anatomical parts are arranged on opposite sides of a median axis so that only one plane can divide the individual into essentially identical halves Example Sentences Recent Examples on the Web Related Articles Dakota beadwork often uses the concept of bilateral symmetry — the children’s coat’s left and right lapels are completely identical. Liv Martin, Twin Cities, 1 Dec. 2019 Word History First Known Use 1828, in the meaning defined above Medical Definition bilateral symmetry noun : symmetry in which similar anatomical parts are arranged on opposite sides of a median axis so that one and only one plane can divide the individual into essentially identical halves
随便看	red-breasted plover red-breasted rail red-breasted sandpiper red-breasted sapsucker red-breasted snipe red-brown butt rot red-brown rot red-carpet red-cock red-cockaded woodpecker red-crested pochard red-eye red-eyed red-eyed pochard red-eyed vireo red-eyes red-faced red-figure red-figured red-flag red-flag law red-flag laws red-flagged red-flagging red-flags

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