这个词是什么意思？
One of the largest orders of mostly marine CRUSTACEA, containing over 10,000 species. Like AMPHIPODA, the other large order in the superorder Peracarida, members are shrimp-like in appearance, have sessile compound eyes, and no carapace. But unlike Amphipoda, they possess abdominal pleopods (modified as gills) and their bodies are dorsoventrally flattened.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D033321 · MeSH 2026。
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