哺乳动物的

The function of a mammal's fur is to insulate the body.

动物皮毛功能在于使身体保温。

The whale is the largest mammal in creation.

鲸鱼是所有动物中最大。

Whales are mammals that live in the sea.

鲸是生活在海洋中动物。

The boa feeds on birds and small mammals.

蟒主要吃鸟和小动物。

Bats are the only mammals to have wings and to achieve sustained flight.

蝙蝠是唯一有翅膀且能持续行动物。

Suckling is an instinct in mammals.

是动物本能。

There is a close analogy between the gills of a fish and the lungs of a mammal.

鱼鳃与动物肺很。

Forests are important habitats for birds and, in temperate forests, small mammals which inhabit the dense understorey.

林对鸟类来说是重要栖息地，而且在温带林里，小型动物居住在稠密林下层。

Look at the attitude of the mammifer toward the serpent: the serpent provokes fear and repulsion.

看看动物对蛇态度：蛇挑起他们恐惧和排斥。

ResultsBased on the classification of appraising criterion on acute toxicity test via mouth,skin and inbreathe with Wistar rat,LDS belonged to a feeb...

结论LDS对动物毒性属微毒级,是一种新型安全灭螺药。