单词	ambulacral system
释义	ambulacral system noun : the water-vascular system of echinoderms Word History First Known Use 1857, in the meaning defined above
随便看	attainder attainders attained attainers attaining attainment attainments attains attaint attainted attainting attaintment attaintments attaints attainture attaintures Attalea attaleae attaleas Attalid attalidae attalids attap attapulgite attar

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