amphibians

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.

Most amphibians have caducous gills.

大多数两栖类动物都有早落腮.

The skin of amphibians is permeable to water.

两栖动物的皮肤是透水的。

Compendium of Materia Medica recorded 9 kinds of medical amphibians can be used as medicine.

明代李时珍《本草纲目》一书记载药用两栖类9种。

Fishes having paired fins resembling limbs and regarded as ancestral to amphibians.

有一对类似于脚的鳍且被视为是两栖动物祖先的鱼类。

Five new records of amphibians and reptiles in Guangdong Province

5种两栖爬行动物首次在广东省发现

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.

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.

Observation of digestive tube argentaffine cell of three Anura Amphibians

三种无尾两栖类动物消化道嗜银细胞的观察

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.

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.

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.

The global picture is worst for freshwater creatures such as amphibians, river fish and mammals, with average population declines of 76 per cent between 1970 and 2010, says the latest data available.

从全球来看，淡水生物如两栖动物、淡水鱼和哺乳动物等的状况更糟，最新数据显示，1970年至2010年间其平均数量减少了76%。

New species of amphibians-salamanders and frogs-have also been increasing the tally of new species in Laos.

新的两栖类 —— 蝾螈和青蛙 —— 物种也加长了老挝的新物种名录.

Atlas of Amphibians and Reptiles in Europe -- reprint of 1997 edition

欧洲两栖动物与爬行动物图集，1997年版重印本

Test on the MNF among nucleated erythrocytes in peripheral blood of amphibians and birds living about oxidation ponds

氧化塘附近两栖类、鸟类微核的检测

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.

The common characteristic of fish, amphibians, reptiles, birds, and mammals in that all have backbones.

鱼类 、 两栖动物 、 爬行动物 、 鸟类和哺乳动物都长有脊椎.

Two amphibians ferry them out over the sands.

两辆水陆两用车把他们渡过沙滩.

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.

Shielded by their thicker, moisture-retaining skins, they moved in where amphibians had previously held sway.

它们厚厚的能保持水分的皮肤, 使它们能取代以前这里的霸主两栖类动物.

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.

Functional studies support a growth promoting role for GH in amphibians and reptiles.

GH对两栖爬行类的生长起促进作用；

Frogs and newts are amphibians.

青蛙和都是两栖动物.

Like average amphibians, with its naked skin of no protection by leather and fur, the tree frog is very sensitive to environment pollution by heavy metal, chemicals and acid rain.

树蛙和一般两栖类一样，皮肤裸出，没有毛皮的保护，所以对生活环境中重金属、农药与酸雨等污染十分敏感。

During 1995 to 2005 the authors carried out many surveys of amphibians on Hainan Island. In addition, specimens also collected by students of Department of Biology, Hainan Normal University in field practice every year.

1995年至2005年对海南岛进行了多次两栖动物调查，海南师范大学生物系每年进行本科生动物学野外实习，也采集了大量的两栖动物标本。

Birds, fish, and amphibians are " oviparious ".

鸟类 、 鱼和两栖类是 “ 卵生 ” 的动物.

An order of amphibians including caecilians ( in former classifications it was called order Apoda).

包含蚓螈的两栖动物的一目（在以前的分类中称作无足目）。

Which means our sex lives could be partly to blame for making global populations of amphibians croak.

因此，全球青蛙数量的减少，部分程度上应归咎于人类的的两性生活。

Where do amphibians lay eggs?

两栖动物在哪能里产卵?