yuán kǒu gāng jǐ zhuī dòng wù
cyclostome (marine biology)
圆
yuán
circle
口
kǒu
mouth
纲
gāng
head rope of a fishing net
脊
jǐ
(bound form) spine; backbone
椎
zhuī
(bound form) vertebra
动
dòng
(of sth) to move
物
wù
(bound form) thing