贾第虫 Jiǎdìchóng giardia Origin Definitions Defs Strokes Stroke Words Sentences Sents 贾第虫属 Jiǎdìchóngshǔ giardia genus of protozoan parasites that inhabit the gut (including Giardia lamblia)贾第虫病 Jiǎdìchóngbìng giardiasis Giardiasis, a form of gastro-enteritis caused by infection of gut by Giardia lamblia protozoan parasite