查询词典 Mammals

Any of various aquatic,chiefly marine mammals of the order Cetacea,including the whales,dolphins,and porpoise s,characterized by a nearly hairless body,anterior limbs modified into broad flippers,vestigial posterior limbs,and a flat,notched tail.

鲸目动物鲸目动物中的一种水生动物，主要是海生哺乳动物，包括鲸、海豚和鼠海豚，特征为身体几乎无毛、前肢变成宽大的鳍、后肢退化及尾扁平而分叉

The site, moreover, contains 39% of the world's total number of species of marine mammals and a third of the world's marine cetacean species.

不仅如此，这里还包含世界海生哺乳动物总数的39%和世界上鲸种类的1/3。

Any of several small gregarious cetacean mammals having a blunt snout and many teeth.

吻部钝圆并长很多牙齿的几种小型群居的鲸类哺乳动物。

The heart of all mammals is made up of four chambers.

所有哺乳动物的心脏都是由四个单元组成。

It is treated as two of China's protection of marine mammals with Chinese White Dolphins.

它与中华白海豚并列为我国仅有的两种一级保护的海洋哺乳动物。

Chinese White Dolphins tied it with only two of China's protection of marine mammals.

它与中华白海豚并列为我国仅有的两种一级保护的海洋哺乳动物。

Beginning. This genus is considered a chordate, and the phylum Chordata includes fish,mammals and man.

的注意。因为这一类动物属于最高的脊索或半脊索动物，包括鱼类，哺乳类动物和人。

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收藏反馈

One of the f in gerlike 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

In mammals, both the cilia and the cell itself vibrate.

在哺乳动物，纤毛和细胞自身均产生振动。

Objective To investigate the effects of interleukin-1 β converting enzyme gene on the biologic characteristics of ovarian cancer cells.

目的 探讨白细胞介素-1 β转换酶的表达，对卵巢癌细胞生物学特性的影响。

Campylobacter: This illness is the most commonly identified cause of diarrheal illness in the world.

弯曲：这种病是最常见的原因查明腹泻病，在世界上。