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notochord

英 ['nəʊtə(ʊ)kɔːd] 美['notə,kɔrd]
英英释义 实用场景例句
  • n. [胚] 脊索

英英释意

1. a flexible rodlike structure that forms the supporting axis of the body in the lowest chordates and lowest vertebrates and in embryos of higher vertebrates