英语词汇“Douglas' spontaneous evolution”的中英文释义、用法、翻译及短语词组-英汉翻译词典

单词	Douglas' spontaneous evolution
释义	Douglas' spontaneous evolution 英?[?d?ɡl?s sp?n?teini?s ?i:v??lu:??n] 美?[?d?ɡl?s spɑn?teni?s ??v??lu??n] 释义 [医]Douglas自然旋出：背前位一肢脱出胎儿的自然旋出机理，即靠在骨盆上口的胎头转向耻骨，使颈至上缘，胸、腹和臀随同肩部旋转，下肢娩出，另一上肢及胎头继亦娩出
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