胎盘哺乳动物

The highly vascular fetal membrane that consists of the fused chorion and allantois, found adjacent to the eggshell in reptiles and birds and constituting the placenta in most mammals.

绒毛膜尿囊由融合的绒毛膜和尿囊组成的富含血管的胎膜组织，存在于爬行类动物和鸟类的蛋壳附近，并且构成大多数哺乳动物的胎盘

Most Birds mate by joining their cloacas in a "cloacal kiss"; muscular contractions transfer the sperm from the male to the female.

但多数鸟类仅以泄殖腔互相接触，藉肌肉收缩而把雄鸟的精子送给雌鸟。有胎盘哺乳动物及多数硬骨鱼无泄殖腔。

Having no placenta, as marsupials and monotremes.

无胎盘的无胎盘的，如有袋目哺乳动物和''。

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

The formation or development of an infarct .all mammals except monotremes and marsupials are placental mammals.

除了单孔类动物和有袋动物之外所有的哺乳动物都是有胎盘的哺乳动物。

All mammals except monotremes and marsupials are placental mammals.

除了单孔类动物和有袋动物之外所有的哺乳动物都是有胎盘的哺乳动物。

Having the form of villi .all mammals except monotremes and marsupials are placental mammals.

除了单孔类动物和有袋动物之外所有的哺乳动物都是有胎盘的哺乳动物。

A plasma globulin of high molecular weight.all mammals except monotremes and marsupials are placental mammals.

除了单孔类动物和有袋动物之外所有的哺乳动物都是有胎盘的哺乳动物。

Coronary artery bypass graft.all mammals except monotremes and marsupials are placental mammals.

除了单孔类动物和有袋动物之外所有的哺乳动物都是有胎盘的哺乳动物。

The monotremes split off about 166m years ago and the marsupials parted company with the placentals 148myears ago. That, however, was not news; the fossils tell a similar story.

在一亿六千六百万前单孔目动物就出现了物种分化且有袋动物脱离群体，而胎盘哺乳动物在一亿四千八十万年前出现类似情况。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。