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- Formation of a placenta in the uterus. 胎盘形成胎盘在子宫中的形成过程
- Experience is their preparation for giving advice. 经验为她们进行咨询作了准备。
- The advertising campaign is still in preparation. 广告宣传攻势仍在准备中。
- You can't pass an exam without preparation. 不准备就考不及格。
- A drug or preparation containing arsenic. 砷化合物含砷的药剂或制剂
- The dictionary is now in rapid preparation. 这本词典现在正在迅速编写之中。
- The preparation for his cough included camphor. 为医治他的咳嗽而调制的药中包括樟脑。
- The type or structure of a placenta. 胎盘形式或构造
- placenta preparation 胎盘制剂
- Having no placenta, as marsupials and monotremes. 无胎盘的无胎盘的，如有袋目哺乳动物和单孔目动物
- Glycerol or a preparation of glycerol. 甘油，丙三醇甘油或丙三醇配制品
- Earlier studies linked the placenta to the disease. 早期的研究认为，该病与胎盘有关。
- Fraternal twins share one placenta. 异卵双生共享一个胎盘。
- Made up without preparation; improvised. 即兴的不经准备而作的; 即兴的
- Care or preparation in advance; foresight. 先见，提前考虑或准备; 远见
- Having no placenta,as marsupials and monotremes. 无胎盘的无胎盘的，如有袋目哺乳动物和单孔目动物
- Years of work have gone into the preparation of this dictionary. 这部词典的筹备工作已进行了多年。
- They have made good preparation for the upcoming elections. 他们对即将到来的选举作了充分的准备。
- He didn't do any preparation for this exam, so he failed. 他考试前没做任何准备，所以不及格。
- A stalk connecting an ovule or a seed with the placenta. 珠柄与胚珠或含胎座的种子相接的叶柄
