urchin

n.顽童；【动】海胆；儿童；少年

n.ragamuffin,imp,rascal,hoopgan,tyke

网络释义

n.1.【动】海胆2.顽童;儿童;少年3.〈方〉刺猬

n.1.a child who is very poor and wears dirty clothes2.a sea urchin

1.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。

3.The bright red color of a fire urchin warns predators that its spines are poisonous. Sea otters are the major predators of sea urchins.火海胆鲜红的颜色警告捕食者它的刺有毒。海獭是海胆的主要捕食者。

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。

6.No corals, no sea urchins and no who-knows-what-else would be bad news indeed for the sea.没有珊瑚、没有海胆、没有其他未知的无论什么生物对海洋来说的确都是坏消息。

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 fertipzed 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。