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
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