圆口纲脊椎动物

cyclostome (marine biology)

circle / round / circular / spherical / (of the moon) full / unit of Chinese currency (yuan) / tactful / to make consistent and whole (the narrative of a dream or a lie)

mouth / classifier for things with mouths (people, domestic animals, cannons, wells etc) / classifier for bites or mouthfuls

head rope of a fishing net / guiding principle / key link / class (taxonomy) / outline / program

(bound form) spine; backbone / (bound form) ridge

vertebra / backbone

a hammer

spine

(of sth) to move / to set in movement / to displace / to touch / to make use of / to stir (emotions) / to alter / abbr. for 動詞|动词[dong4 ci2], verb

vertebrate

animal / CL:隻|只[zhi1],群[qun2],個|个[ge4]

thing / object / matter / abbr. for physics 物理