贾第虫

1. • giardia (esp. Giardia lamblia)

     biology

Character by character

• 贾(jiǎ)surname Jia
• 第(dì)(prefix indicating ordinal number, as in 第六 dìliù "sixth")
• 虫(chóng)lower form of animal life, including insects, insect larvae, worms and similar creatures