We tested the lake water for Giardia.
我们检测了湖水中是否含有贾第虫。
Because the stream was contaminated, several hikers developed diarrhea caused by Giardia after drinking untreated water.
由于溪水受污染,几名徒步者饮用未处理的水后感染贾第虫并出现腹泻。
词源 Etymology
Giardia 来自现代拉丁化命名,源于对法国动物学家 Alfred Mathieu Giard(阿尔弗雷德·马修·吉亚尔)姓氏的纪念;该属名用于指代这类寄生性鞭毛虫。