这个词是什么意思？
An order of pelagic, shrimplike CRUSTACEA. Many consume ZOOPLANKTON and a few are predacious. Many antarctic species, such as Euphausia superba, constitute the chief food of other animals.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D033201 · MeSH 2026。
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