limpets
n.
帽贝，坚守岗位的职员( limpet的名词复数 );
例句:
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Limpets, snails and octopuses are mollusks.
帽贝 、 蜗牛和章鱼都是软体动物.
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Using their coarse tongue they drill through the shells of barnacles, limpets and mussels to reach their fleshly interiors.
来自BBC
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When the tide is in, limpets and periwinkles eat algae on the rocks.
来自BBC
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Today, employees cling to jobs like limpets to wet rocks.
来自WSJ