“placental retention”的概念、定义、翻译、参考文献-科学参考

单词	placental retention
释义	placental retention Encyclopedia 农学繁殖障碍释 placental retention胎盘滞留母畜娩出胎儿后，胎盘在第三产程的生理时限内未能排出的现象。又称胎衣不下。
随便看	mid- mid-and long-term hydrologic forecasting mid-arc points mid-arc triangle Midas mid-Atlantic ridge mid-atlantic ridge Mid-Autumn Manuscript by Wang Xianzhi midblastula transition midbody midbrain midbrain，mesencephalon mid-brunhes event Mid Canal mid-Carboniferous event midcircle midcoefficient midcourse guidance Midcourse Space Experiment midcourse to terminal guidance turning midday midday depression of photosynthesis mid-day gerbil midday half an hour middle adulthood

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