查询词典 placental mammals

"These fossilised nuts are the oldest proof we have for mammals laying in food stores," Martin Sander, a palaeontologist from Bonn university, said.

来自德国波恩大学的古元古代教授，玛丁赡德表示：这些坚果化石也是我们目前掌握的，最古老的会哺乳动物贮藏食物的化石。

AIM: To find the origin of auditory cells in mammals and to study the proliferation and differentiation of auditory cell progenitors.

目的：了解哺乳动物听觉细胞的来源，探索听觉细胞前体细胞体外增殖和分化。

Glucose levels are maintained within a narrow range in mammals through the effects of pancreatic hormones on liver gluconeogenesis.

在哺乳动物体内，葡萄糖水平通过胰腺激素对肝脏的糖生成作用的效应而被维持在一个很窄的范围内。

The Danum Valley also serves as a sanctuary to more than 110 mammals, including the Asian elephant, the clouded leopard, and the flying lemur.

丹浓谷同时也是一百一十多种哺乳动物的庇护家园，这些动物包括了亚洲象、云豹与飞狐猴。

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

森林对鸟类来说是重要的栖息地，而且在温带森林里，小型的哺乳动物居住在稠密的森林下层。

They move the same two legs on each side in alternate steps, 1, 3, 2, 4, rather than the 1, 4, 2, 3 pattern of most mammals and nearly all ungulates (such as horses, goats, sheep and bison).

和大多数哺乳动物和几乎所有的有蹄动物如马、羊和牛的行走方式不同，它们行走时一侧的前后肢向前挪动而另一侧的前后肢着地。

A persistent organochlorine insecticide, also known as dichlorodiphenyltrichloroethane, that was introduced in the 1940s and used widely because of its persistence (meaning repeated applications were unnecessary), its low toxicity to mammals and its simplicity and cheapness of manufacture.

中文解释=难以分解的有机氯杀虫剂，化学名称为二氯二苯基三氯乙烷，因其在环境中的持久性、对哺乳动物的低毒性和制造容易、花费低，所以在1940年代被大量使用。

The Amur tiger is one of the rarest large mammals on Earth.

东北虎是地球上最为珍稀的哺乳动物之一。

The journal well informs the research advances in all aspects of mammalian biology, mainly including ecology, behaviour, bioenergetics, morphology, development, reproduction, nutrition, paleontology, physiology, anatomy and evolution of mammals etc.

该刊全面提供了哺乳动物生物学各方面的研究进展，内容主要涉及生态学、行为学、生物能学、形态学、发育、繁殖、营养学、古生物学、生理学、解剖学以及哺乳动物的进化等等。

Though it prefers hunting small mammals, the Arctic fox is at heart an opportunist.

虽然喜欢捕食小型哺乳动物，但北极狐本质上是一个机会主义者。

We are in a good position to meet your requirements.

我们完全可以满足你方的需求。

We are all pervade d with a sense of disaster.

我们普遍有大祸降临的感觉。