“umbilical cord”的概念、定义、翻译、参考文献-科学参考

单词	umbilical cord
释义	umbilical cord Encyclopedia 医学妊娠释 umbilical cord脐带连接胎儿与胎盘的条索状组织。一端与胎儿腹壁的脐轮相连，另一端附着于胎盘胎儿面的中央或略偏向一侧。 Biology umbilical cord脐带
随便看	transition operator transition operator semigroup transition orbit transition paradigm transition phenomenon transition point transition point of electricity transition point of magnetism transition probability transition probability and transition speed transition probability density transition probability distribution transition probability function transition probability matrix transition process transition radiation transition radiation detector transition range transition rate transition region Transition Region And Coronal Explorer Transition Region and Coronal Explorer transition region line transition region species transition rule

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