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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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in the last place, in the lead, in the least, in the light of, in the long run, in the main, in the mass, in the meantime, in the middle, in the middle of,

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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,有脊索,分节肌肉和骨架。

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PBS地球-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的主要群——从海绵到节肢再到脊索——都出现在寒武纪的这小时间窗口。

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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王国的主要集群,包括腕足、腔肠、棘皮、软体和脊索(脊进化的分支)。

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宇宙的奇迹

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,也就是说,它和我们是同一类,所以这也许是我们最早的祖先了。

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PBS地球-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, 但这是最早的脊索之一——属于脊家族的一部分, 包括我们在内,使我们相隔 5 亿年成为远亲。

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in the same boat, in the same breath, in the sense of, in the slightest, in the spotlight, in the strict sense, in the strictest sense, in the wake of, in the way, in the way of,

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3G, 401(K), a,
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