maternal a.母亲的,母系的,母方的属母...maternal placenta 胎盘母体部...maternal mortality rate 产妇死亡率...maternal inheritance 母体[影响]遗传...maternal impression 母感印象,母印迹...maternal health 妇女卫生...maternal dystocia 母原性难产...maternal mole 胞衣胎块...maternal cotyledon 母体绒毛叶...
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