此处讨论的加勒比海珊瑚礁在20世纪80年代中期遭受沉重打击，当时一种神秘疾病几乎使冠刺棘海胆(Diademaantillarum)灭绝。
The Caribbean coral reefs in question were dealt a blow in the mid 1980s when a mysterious disease almost completely wiped out the spiny urchin (Diadema antillarum).
海胆在海峡群岛附近的海底挥舞着它们的棘突。科学家最近发现这些没有眼睛的无脊椎动物可以用它们的刺上的探测光来看东西。
Sea urchins brandish their spines on the seafloor near the Channel Islands. Scientists recently discovered that the eyeless invertebrates "see" by detecting light with their spines.
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.
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。这些小无脊椎棘突动物在全世界的海洋中都可以找到。
A nontoxic dye highlights water currents surrounding sea urchins off Vancouver Island, British Columbia. These small, spiny echinoderms are found in oceans all over the world.
印度尼西亚科莫多岛的火海胆的棘突形成了色彩斑斓的花朵。每根棘突尖端蓝色膨胀部位都盛满了毒液。
The spines of a fire urchin form a multicolored flower off Komodo Island, Indonesia. The blue swellings on the tip of each spine are filled with venom.
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.
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.
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.
通过室内试验和数理统计的方法，研究了光棘球海胆受精卵发育的生物学零度及有效积温。
The biological zero temperature and effective accumulated temperature in sea urchin Strongylocentrous nudus were determined by constant temperature experimentation in a laboratory.
今后通过对其他物种的实验，才能揭示这些棘的密度是如何发挥作用使海胆能够“看”到东西的。
Later experiments with other species could reveal the role spine density plays in how well urchins can see.
今后通过对其他物种的实验，才能揭示这些棘的密度是如何发挥作用使海胆能够“看”到东西的。
Later experiments with other species could reveal the role spine density plays in how well urchins can see.
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