The scientists were studying a freshwater shrimp commonly found in England.
科学家们研究了一种在英格兰常见的淡水虾。
The head and eye of a freshwater shrimp, observed by Jose R. Almodovar of the Microscopy Center, Biology Department, UPR Mayaguez Campus, in Mayaguez, Puerto Rico.
一只淡水虾的头和眼，由来自波多黎各大学玛亚圭斯校区生物系显微镜中心的何塞·r·阿尔曼多瓦拍摄。
Fairy shrimp: any of various transparent freshwater crustaceans of the order anostraca that lack a carapace and characteristically swim upside-down.
仙虾：透明的淡水鳃足类的任何一种，无甲壳并且倒置游动。
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