无脊椎动物無脊椎動物

wú jǐ zhuī dòng wù

Meaning

invertebrate

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Characters

无wúno, not; lacking, -less一尢脊jíspine, backbone; ridge人⺼椎chuíspine, vertebra; hammer, mallet木隹动dòngto move, to happen; movement, action云力物wùthing, substance, matter; creature牛勿