对贝壳的同位素分析使得地质学家可以测量另一种冰川效应。
Isotopic analysis of shells allowed geologists to measure another glacial effect.
科学家们检测了来自两个水产养殖基地的牡蛎的组织样本和贝壳。
They tested dried tissue and shells from oysters in two aqua-culture sites.
但是当科学家制造出一些礁石的声音，就像鱼类和贝壳类动物在低语一样，这些珊瑚幼虫便游向声源。
But when the scientists played sounds of reefs, featuring the murmurs of fish and crustaceans, the larvae swarmed toward the speakers.
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