一只海胆正舒适地安定在博内尔岛外的珊瑚丛里。
A sea urchin is nestled in a coral formation off Bonaire Island.
公元一世纪，老普林尼曾写过用海胆的灰烬治疗来秃头。
In the first century A.D., Pliny the Elder wrote of using sea urchin ashes to treat baldness.
火海胆的刺在印度尼西亚科莫多岛附近形成了五颜六色的花朵。
The spines of a fire urchin form a multicolored flower off Komodo Island, Indonesia.
她正在调查改变海水的酸性和温度对叫紫海胆的这一生物的影响。
She is investigating the effects of changing acidity and temperature in the sea on a creature called the purple sea urchin.
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。
The bright red color of a fire urchin warns predators that its spines are poisonous. Sea otters are the major predators of sea urchins.
与海胆或豪猪身上的尖刺相互作用的结果对任何经过的生物来说都是相当明显的。
The consequences of interacting with the array of sharp spines on a sea urchin or porcupine are pretty obvious to any creature passing by.
海獭的减少会使海胆的数量增加，因为海獭以此为食，从而增加海胆对海藻林的食草压力。
Fewer otters would have allowed sea urchin populations on which the otters preyed to expand and the urchins' grazing pressure on kelp forests to increase.
自从海胆从南佛罗里达海岸的海水中消失后，那里有许多珊瑚礁被不受控制生长的藻类所扼杀。
Since the disappearance of sea urchins from the waters up the coast of South Florida, many coral reefs there have been smothered by the uncontrolled growth of algae.
岩石龙虾以海胆为食，而岩石龙虾密度的增加正好与海胆数量的显著减少相吻合。
Rock lobsters prey on sea urchins, and increased rock lobster densities coincided with significant decreases in urchins.
长期摄食鲜海藻类的海胆生殖腺味道甜美，口感上佳。
The urchins feeding on fresh sea algae produce germens tasting delicious.
全世界有700多种海胆。
火海胆鲜红的颜色警告捕食者它的刺有毒。
The bright red color of a fire urchin warns predators that its spines are poisonous.
例如，无脑海星和海胆的祖先似乎曾有大脑。
For instance, it appears the ancestor of brainless starfish and sea urchins had a brain.
海胆在海峡群岛附近的海底挥舞着它们的棘突。
Sea urchins brandish their spines on the seafloor near the Channel Islands.
鱼类吃海胆，海胆以小块的藻类为食。
白色颗粒上突起的肿块就是海胆脊柱的着生部位。
The raised bumps on the white grain represent the sites of insertion for the sea urchin's spines.
他潜水来捕捉海胆和龙虾。
公元一世纪，老普林尼曾写过把海胆烧成灰烬治疗来秃头。
D., Pliny the Elder wrote of using sea urchin ashes to treat baldness.
海星实际上是棘皮动物，和海胆和饼海胆是近亲。
Popularlyknown as starfish, sea stars are actually echinoderms, closely relatedto sea urchins and sand dollars.
四周的沙粒，散落着鲨鱼牙齿、海胆脊椎、巨型鲶鱼的化石。
The sand around him was strewn with fossil shark teeth, sea urchin spines, and the bones of giant catfish.
加拿大不列颠哥伦比亚省温哥华市上空模仿海胆性状的烟花。
Fireworks over Vancouver, British Columbia, Canada, mimic a sea urchin.
海胆在海峡群岛附近的海底挥舞着它们的棘突。 。
Sea a urchins brandish their spines on the seafloor near the Channel Islands.
海胆：一种属于海胆纲的棘皮动物，包括沙钱和海胆。
Echinoid: an echinoderm of the class echinoidea which includes the sand dollars and sea urchins.
海胆长长的可以活动的棘突可以保护他们在夏威夷海岸不受捕食者捕食。
A sea urchin's long, moveable spines protect it from predators in the waters off Hawaii.
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。
Bottom-dwelling creatures like mussels, brittle stars and sea urchins have not developed any defenses.
如果那些海獭会说话，他们就会劝弗兰岑振作起来，冷静下来，去尝尝海胆。
If they could talk, the otters would tell Franzen to man up, chill out and have a sea urchin.
虽然它们通常被称为海星，这些动物不是鱼，它们是棘皮动物，与海胆密切相关。
Though they are commonly called starfish, these animals are not fish at all. They are echinoderms, closely related to sea urchins.
牙齿矫正医师的梦想，太平洋狼鱼炫耀着它用以收拾软体动物，贝壳和海胆的装备。
An orthodontist's dream, an Atlantic wolffish displays the hardware it uses to crush mollusks, shellfish, and sea urchins.
这个有着鲜艳紫色棘突的海胆来自大不列颠哥伦比亚——上帝的口袋海洋省立公园。
The vivid purple spines of this sea urchin from God's Pocket Marine Provincial Park, British Columbia, help it move along the seafloor, as do hydraulically operated tube feet.
原因之一是它们的饮食：它们只能吃到海星(有时是海胆)，据报道它们喜欢吃活的。
One reason is their diet: they eat only starfish (and sometimes sea urchins), and they reportedly prefer to eat them alive.
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