“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	negative part of a function negative part of an element negative peak negative pedal curve negative perfect correlation negative permeability materials negative permittivity materials negative phototropism negative plate negative platemaking negative Poisson's ratio material negative polarity items negative polarity machining negative polynomial distribution negative-positive photographic system negative pressure negative pressure injection negative pressure method for deposit negative-pressure pulverizer with intermediate storage bunker negative pressure region negative pressure suction appliance negative priming effect negative probability negative proposition negative punishment

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