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  • “pneumatocyst”的英英意思

    “pneumatocyst”的英英意思

    单词 pneumatocyst 释义 pneumatocyst Zool.|-sst|[f. pneumato- + cyst.]a. An air-sac serving as a float in certain ‘colonial’ or compound Hydrozoa; the pneumatophore, or the cavity contained in this. b. An air-sac in the body of a bird.1859Huxley Oceanic...

    2025-07-28