爬行动物

In birds, reptile s and many amphibians there is only one ossicle

鸟类、爬行动物和许多两栖动物只有一块听小骨。

In birds, reptiles and many amphibians there is only one ossicle

鸟类、爬行动物和许多两栖动物只有一块听小骨。

In birds, reptiles and many a mphibians there is only one ossicle

鸟类、爬行动物和许多两栖动物只有一块听小骨。

The Palaeozoic was also the era when fishes, amphibians and reptile s appeared.

在古生代，鱼类、两栖动物、爬行动物也开始出现。

The Palaeozoic was also the era when fishes, amphibians and reptiles appeared.

在古生代，鱼类、两栖动物、爬行动物也开始出现。

Although bees, ants and some fish and reptiles reproduce without having sex in a process known as parthenogenesis, it was thought to be impossible in mammals.

尽管蜜蜂、蚂蚁和一些爬行动物通过孤雌生殖进行繁殖，但哺乳动物被认为是不可能进行这种生殖的。

A platelike part,organ,or structure,such as that covering some reptile s.

板形器官片状的零件，器官或结构，例如覆盖在某些爬行动物身上的鳞甲

Reptiles and birds are Kunsheng, but platypus is totally different, it is a kind of egg-laying mammals.

爬行动物和鸟类是卵生的，但是，鸭嘴兽却完全与众不同，竟然是一种产蛋的哺乳动物。

Nessie enthusiasts believe the creature is a plesiosaur - an aquatic reptile that appeared at the start of the Jurassic period and is widely believed to be extinct.

尼斯湖水怪迷认为，这种动物应该是一种蛇颈龙。蛇颈龙是一种水生爬行动物，生活在侏罗纪初期，很多人认为它们早已灭绝。

Picture of this painfully poky reptile.

乌龟的行动，结束了对这个"痛苦的"慢吞吞爬行动物的刻画。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。