1.
Of or belonging to the infraclass Eutheria, a division of mammals to which all the placental mammals belong.
真哺乳亚纲的关于或属于哺乳动物真兽亚纲的一个下纲，包括有胎盘哺乳动物
2.
The modified blastula that is characteristic of placental mammals.
胚泡转化的囊胚，为胎盘哺乳动物的特征
3.
(embryology) the organic process whereby a fertilized egg becomes implanted in the lining of the uterus of placental mammals.
（胚胎学）受孕卵被植入有胎盘哺乳动物子宫内的有机过程。
4.
generalized extinct mammals widespread during the Jurassic; commonly conceded to be ancestral to marsupial and placental mammals.
一般化的已灭绝哺乳动物，活跃于侏罗纪；普遍认为是有袋动物和有胎盘哺乳动物的祖先。
5.
young of various large placental mammals e.g. whale or giraffe or elephant or buffalo.
多种有胎盘哺乳动物如鲸、长颈鹿、象或水牛的幼儿。
6.
monotremes and marsupials are aplacental mammals.
单孔类动物和有袋动物是无胎盘的哺乳动物。
7.
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
8.
any placental mammal of the order Primates; has good eyesight and flexible hands and feet.
灵长目中有胎盘的哺乳动物；视力好，手、脚灵活。
9.
placental mammals having hooves with an odd number of toes on each foot.
有蹄有胎盘的哺乳动物，每只脚上有奇数个脚趾。
10.
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。
11.
mammals having a placenta; all mammals except monotremes and marsupials.
有胎盘哺乳的动物；除了单孔目动物和有袋目动物之外的所有的哺乳动物。
12.
placental mammal having hooves with an even number of functional toes on each foot.
每只脚上有偶数个起作用脚趾的有胎盘的哺乳动物。
13.
One of the fingerlike projections of the chorion that contribute to the formation of the placenta in mammals.
羊膜绒毛绒毛膜的分支突起，借以形成哺乳动物的胎盘
14.
Man and most other mammals are viviparous.
人和其他大多数哺乳动物都是胎生的。
15.
Study on Sex Identification in Mammals Embryos with Polymerase Chain Reaction;
PCR法鉴别哺乳动物胚胎性别的研究
16.
Suckling is an instinct in mammals.
哺乳是哺乳动物的本能。
17.
Placenta:Organ in most mammals that develops in the uterus along with a fetus to mediate metabolic exchange.
胎盘: 多数哺乳动物子宫内与胎儿一起发育的器官,居间负责代谢交换。
18.
The offspring produced at one birth by a multiparous mammal.
幼仔一胎多子的哺乳动物一胎所产的后代