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单词 braincase
例句
原声例句
PBS地球-动物趣闻

For example, the skull of a placoderm had an internal braincase made of endoskeletal bone.

例如,盾皮动物的头骨有一个由内骨骼骨制成的内部脑壳。

PBS地球-动物趣闻

Its braincase was small, and it had an unusually broad snout.

它的脑壳很小,鼻子异常宽阔。

SciShow 合集

Modern humans from the last 130,000 years have relatively small faces and globe-shaped braincases, which is the back part of your skull.

过去 130,000 年的现代人类拥有相对较小的面孔和球形脑壳,也就是头骨的后部。

SciShow 合集

The Jebel Irhoud hominins shared the small faces, but their braincases were more elongated than what you would see in people today.

Jebel Irhoud 人种也有小脸,但他们的脑壳比你在今天的人身上看到的要细长。

PBS地球-动物趣闻

They unearthed a fossilized braincase and  some vertebrae from a weird mammal dating back to about 17 million years  ago, to the early Miocene epoch.

他们出土了一个化石脑壳和一些来自一种奇怪哺乳动物的椎骨,其历史可以追溯到大约 1700 万年前的中新世早期。

SciShow 合集

The Jebel Irhoud fossils suggest a transitional form, in which humans evolved small faces early or even kept them from an archaic ancestor, and didn’t get the modern braincase until later.

Jebel Irhoud 化石暗示了一种过渡形式,在这种形式中, 人类很早就进化出小脸, 甚至从远古祖先那里保留下来, 直到后来才得到现代脑壳。

SciShow 合集

Earlier thinking had modern humans arising in a rapid evolutionary event 200,000 years ago, taking place somewhere in East Africa, in which our faces and braincases both changed from ancestral hominins.

较早的想法认为,现代人类起源于 20 万年前的一次快速进化事件,发生在东非某处,我们的面孔和脑壳都从祖先的人类进化而来。

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