invertebrate having a soft unsegmented body usually enclosed in a shell
造句
用作名詞(n.)
DrKnoll reckons this is because molluscs andarthropods are able to bufferthe chemistry of the internal fluids from whichthey create theirshells. 努爾博士猜想這是因?yàn)檐涹w動(dòng)物類和節(jié)肢動(dòng)物類生物能夠減緩它們所造外殼內(nèi)部流動(dòng)的化學(xué)反應(yīng)。