名词中文翻译
中文翻译：海胆
同义词：
['echinoderm', 'sea urchin']
例句：
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1.This echinula is a rare species found only in the deep ocean.
这种海胆只在深海中被发现。
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2. The echinula has a unique ability to sense vibrations from underwater creatures.
这种海胆具有从水下生物身上感知振动的独特能力。
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3.Echinula are known for their hard shells and sharp spines that protect them from predators.
海胆以其坚硬的外壳和尖锐的刺来保护自己免受捕食者的伤害。