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单词 notochord
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原声例句
PBS地球-动物趣闻

Forming a notochord like those still found in some of today's jawless fish.

形成脊索,就像今天仍然在一些无颌鱼中发现的脊索一样。

Awesome Nature

Perhaps the chordate crowd, with their notochords, segmented muscles and big bony skeletons.

或许是脊索动物,有脊索,分节肌肉和干瘪大骨架。

PBS地球-动物趣闻

And the rod down its back was a notochord, an early precursor of the vertebral column seen in vertebrates.

它背上的杆是脊索,是脊椎动物脊柱的早期前身。

PBS地球-动物趣闻

For one thing, the white lines found on some of those fossils go past the eyestalks where true notochord would end.

一方面,在其中一些化石上发现的白线越过眼柄,而真正的脊索应该在眼柄处结束。

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