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See also algae, arthropod, bacteria, chordate, invertebrate, protist, protozoan, vertebrate.

algae、arthropod、bacterium、chordate、invertebrate、protozoan、vertebrate。

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good, good afternoon, Good Book, good faith, good for, good for nothing, good for you, good form, good fortune, Good Friday,

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3G, 401(K), a,

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Awesome Nature

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

或许是脊索物,有脊索,分节肌肉和干瘪大骨架。

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PBS地球-物趣闻

The major groups of animals we see around us today -- from sponges to arthropods to chordates -- all showed up in this little window of time in the Cambrian.

我们今天在我们周围看到物群——从海绵到节肢物再到脊索物——都出现在寒武纪小时间窗口。

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经济学人-科技

Most of the main groups of the animal kingdom—arthropods, brachiopods, coelenterates, echinoderms, molluscs and even chordates, the branch from which vertebrates went on to develop—are found in the fossil beds of the Cambrian.

人们在寒武纪群落里发现了物集群,包括腕足、腔肠、棘皮、软体和脊索(脊椎物进化分支)。

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宇宙奇迹

It's called a Pikaia and it's a little wormlike creature but it's thought that this is a chordate, and that is the branch of life that we're in, so it could that this is our earliest known ancestor.

它叫皮卡虫,确实和普通虫子差不多,不过人们认为它是一种脊索物,也就是说,它和我们是同一类物,所以这也许是我们最早祖先了。

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PBS地球-物趣闻

Simple as it was, this was one of the earliest chordates -- part of the family that would give rise to the vertebrates and includes us, making us cousins over 500 million years removed.

尽管很简单, 但这是最早脊索物之一——属于脊椎物家族一部分, 包括我们在内,使我们相隔 5 亿年成为远亲。

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good time, good turn, good will, goodby, good-by, goodbye, good-bye, good-fellowship, good-for-nothing, good-hearted,

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3G, 401(K), a,
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