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urchins

美 [ˈɜrtʃɪn]英 [ˈɜː(r)tʃɪn]

n.顽童；【动】海胆；儿童；少年

复数：urchins

urchins

urchins

英-汉英-英网络释义

urchins

海胆

Marc的提示：我经常在其他资料中发现海胆（Urchins）是食藻类的高手。然而这个海胆（ Arbacia punctulata ）显然更喜欢钙 …

1

And when the fish were all gone , all anyone ever saw underwater was just acres and acres of sea urchins .

而当鱼类消失的时候，任何人都只能在水下只能看到成片成片的海胆。

2

Marine invertebrates, sea urchins use their spines to move along the seafloor, and crabs are known to be their natural predators .

海洋无脊椎动物，海胆利用其刺沿着海底，和螃蟹被称为是他们的天敌。

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4

These street urchins soon formed into gangs and by the end of the 19th Century Hell 's Kitchen became the crime capital of the U. S.

这些街头流浪儿不久就结成了团伙，在 19世纪末，“地狱厨房 ”地区成为美国的犯罪中心。

5

He defected, he wrote, by offering to source sea urchins from Japan, from where he never returned .

他还写道，他后来向金正日提出到日本买海胆而借机叛逃，并至今还在日本滞留不归。

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7

If you dressed one of those urchins in nice clothes and taught him good manners , there wouldn't be a whit of difference!

如果你把这样的小家伙打扮打扮，让他穿上好衣裳，教他礼貌举止，那就不会有任何差异。

8

for these spines perform the office of hair , and not of feet as is the case with similar parts of sea-urchins .

因为这些刺构成毛团，不是像海胆相同的部位一样用来作为足。

9

On the sea bed at depths of up to 3, 000ft are vast coral reefs , forests of willowy feather-stars and russet-red sea urchins .

在深达近千米的海底，生长着大片绮丽的珊瑚礁、婀娜多姿的海星和黄褐色的海胆。

10

He allowed these "enucleated " eggs to be fertilized by sperm from sea urchins of the genus Echinus .

他让这些 “无核 ”的卵跟海胆属的海胆的精子受精。

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13

All the sea urchins seemed oblivious to the smaller disks, Johnsen's team found .

约翰森的研究小组发现所有的海胆似乎都对小磁盘无动于衷。

14

A nontoxic dye highlights water currents surrounding sea urchins off Vancouver Island , British Columbia .

大不列颠哥伦比亚温哥华岛沿岸，无毒的染料包围了一只海胆。

15

For instance , it appears the ancestor of brainless starfish and sea urchins had a brain .

例如，无脑海星和海胆的祖先似乎曾有大脑。

16

Remains of more modern corals , diverse pelecypods, sea urchins and ammonoids characterize the marine strata of the Mesozoic ERA .

中生代生物的特征是出现较现代的珊瑚，各种各样的瓣鳃，海胆和菊石。

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19

Green sea urchins, chitons, and sea stars cluster in a tidal pool off Alaska 's Aleutian Islands.

绿色海胆、石鳖和海星簇居在阿拉斯加阿留申群岛的潮汐池里。

20

Sea urchins brandish their spines on the seafloor near the Channel Islands .

海胆在海峡群岛附近的海底挥舞着它们的棘突。

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23

Bottom-dwelling creatures like mussels, brittle stars and sea urchins have not developed any defenses .

类似贻贝、海蛇尾和海胆这样生活在海底的生物尚未演化出任何防御能力。

24

Too many sea urchins can virtually clear- cut the underwater kelp forest where fish live and hide .

过量的海胆会把海藻吃光，令鱼类失去栖息地。

26

Without sea otters keeping sea urchins in check, their population has exploded .

没了海獭约束海胆，海胆的数量变得庞大起来。

27

The same sea urchins , sea urchins but the two places has a qualitatively different .

同是海胆，但是两地的海胆却有着质的不同。

29

The sea off Dalian abounds with quality seafood , such as abalones , sea cucumbers, scallops, prawns, crabs, and sea urchins .

大连外海盛产优质的海鲜，如鲍鱼、海参、扇贝、虾、蟹和海胆。

30

Now scientists are solving the mystery of how urchins keep their teeth so keen , and the research could lead to self-sharpening tools .

现在科学家正在解释为什么海胆会保持他们牙齿十分尖锐的谜团，研究会导向自我尖锐的工具。

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