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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

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 …

例句：

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。

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。

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。

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。

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。

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。

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。

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。

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。

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。

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。

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。

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。

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。

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。

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。

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。

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。

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。

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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