圆口纲脊椎动物 yuán kǒu gāng jǐ zhuī dòng wù

DEFINITIONS

  1. cyclostome (marine biology)

CHARACTERS

圆 yuán circle; round, circular; complete
口 kǒu mouth; open end; entrance, gate
纲 gāng heavy rope, hawser; main points
脊 jǐ spine, backbone; ridge
椎 zhuī hammer, mallet; vertebra
动 dòng move, happen; movement, action
物 wù thing, substance, creature