無脊椎動物 wú jǐ zhuī dòng wù

DEFINITIONS

  1. invertebrate

CHARACTERS

無 wú negative, no, not; lack, have no
脊 jǐ spine, backbone; ridge
椎 zhuī
HSK 6
hammer, mallet; vertebra
動 dòng move, happen; movement, action
物 wù
HSK 3
thing, substance, creature