无钩绦虫

wú gōu tāo chóng

beef tapeworm

无

wú

not to have

钩

gōu

variant of 鉤|钩[gou1]

绦

tāo

variant of 絛|绦[tao1]

虫

chóng

lower form of animal life, including insects, insect larvae, worms and similar creatures