I am not a fish . i am a mammal , like you . mother feeds me with milk 我不是鱼，我跟你一样都是哺乳类动物，妈妈用奶喂我。
Most studies on learning and circadian rhythms have focused on mammals 多数研究学习能力与生理时钟的对象都聚焦在哺乳类动物。
The virus can infect humans , birds , mosquitoes , horses and some other mammals 此病毒可以传染给人类禽鸟蚊子马及其他哺乳类动物。
Dolphins are also one of the few mammals that can recognize themselves in a mirror 海豚也是少数能在镜中辨识自己的哺乳类动物之一。
To do so , they collected the relevant data for 35 species of long - lived birds and mammals 为此他们搜集了35种长寿禽类和哺乳类动物的相关数据。
Most other mammals fart too , and ? a worrying thought perhaps ? elephants do it the most 大部分其它的哺乳类动物也放屁让人担心的是大象可能是最常放屁的。
The museum has also acquired over 1 , 600 animal specimens , including mammals , birds and butterflies 馆藏的动物标本超过1 , 600件，包括哺乳类动物、鸟类及蝴蝶。
Recently , it is reported that nadc may be a key factor in the regulating process of the life - span of mammalian animals 新近的研究发现nadc还可能参与哺乳类动物寿限的调节。
It was not until 1997 that scientists successfully cloned the first mammal , the now world - famous sheep known as dolly 直到1997年，科学家才成功地克隆了哺乳类动物，即世界闻名的“多莉羊” 。
