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pterosaurs

美英

n.飞龙目动物
网络翼龙；翼手龙；翼龙类

复数：pterosaurs

pterosaurs

pterosaurs

英-汉英-英网络释义

pterosaurs

n.

1.飞龙目动物

1

The wind that made such waves however , might have been too strong for the pterosaurs to control their flight once airborne .

然而，能产生此种大浪的风可能对翼龙来说过于猛烈，以至于它一旦升空，就无法控制自己。

2

Unable to fly or walk , Hesperornis needed to be wary of predators : sharks and plesiosaurs at sea , dinosaurs and pterosaurs on land .

由于不能飞也不能步行，黄昏鸟需要警惕掠食者们：水中有鲨鱼和蛇颈龙，岸上有恐龙和翼龙。

4

Pterosaurs, also sometimes referred to as pterodactyls, dominated the skies in the Mesozoic Era, 220-65 million years ago .

翼龙又被称为翼手龙，生活在距今 22亿年到 6亿5千万年前的中生代，它们是天空的统治者。

5

6

Scientists have long assumed that pterodactyls, also called pterosaurs, flew just like birds, and launched themselves using their hind legs.

科学家们长期以来假设翼手龙（也叫翼龙）和鸟儿一样地的飞翔，也使用它们的后腿来起飞。

7

Perhaps the least controversial assertion about the pterosaurs is that they were reptiles .

可能，最少引起争论的意见就是翼龙是爬行动物。

8

The pterosaurs resembled both birds and bats in their overall structure and proportions .

翼龙和鸟类以及蝙蝠在总体结构及比例上很相似。

9

Both the pterosaurs and the birds have hollow bones , a feature that represents a savings in weight .

翼龙和鸟都有中空的骨头，这是为了节省重量。

10

Instead, he says that pterosaurs needed all four limbs for liftoff .

他说翼龙需要使用它们所有的四肢来起飞。

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