Most toads do not have teeth amphibian, the frog.

The sealed bottom is for setting making for amphibian.

密封式底部,可供两栖动物造景之用.

It is being actively pursued by amphibian specialists, for example.

举个例,许多两栖类生物研究专家正积极的从事这项工作.

Conclusion Onychodactylus fischeri is a relatively primitive type in the amphibian.

结论爪鲵在两栖纲动物中属于较原始的种类.

Both the toad and frog are amphibian.

蟾蜍和青蛙都是两栖动物.

Most amphibians have caducous gills.

大多数两栖类动物都有早落腮.

Frogs and newts are amphibians.

青蛙和都是两栖动物.

Where do amphibians lay eggs?

两栖动物在哪能里产卵?

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.

Biju, an expert on amphibians at the Delhi University Systematics Lab.

德里大学分类学实验室两栖动物专家赛亚巴哈玛D. 比优说.

Name the amphibians. Write a few sentences about them.

说出这些两栖动物的名称. 写一些关于它们的句子.

There are also a few amphibians in the lower places.

在较低的地方还可以找到两栖动物.

Among the amphibians and fishes, we find sometimes one system, sometimes the other.

在两栖类和鱼类中, 我们发现,有时为这一系统有时为另一系统.

Acid rain is harmful to amphibians such as salamanders, spring peepers, and frogs.

酸雨是有害于两栖的动物,例如鲵 、 春天里唧唧叫的小动物和青蛙.

Birds, fish, and amphibians are " oviparious ".

鸟类 、 鱼和两栖类是 “ 卵生 ” 的动物.

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.

The main groups of vertebrates are: fishes, amphibians, reptiles, birds and mammals.

脊椎动物的主要种类是鱼类, 两栖动物, 爬行动物, 鸟类和哺乳动物.

Amphibians live partly in water and partly on land.

两栖动物有时生活在水中,有时生活在陆上.

Two amphibians ferry them out over the sands.

两辆水陆两用车把他们渡过沙滩.

The skin of amphibians is permeable to water.

两栖动物的皮肤是透水的。

The two countries practised blockades, capturing airfields and amphibious landings.

演习内容包括海上封锁, 空中夺权和两栖登陆.