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。
单词 | notochord |
例句 |
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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