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单词 gas bladder
释义

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gas bladder
gas bladder n. a bladder containing gas; esp. the swim bladder of a fish.
ΚΠ
1826 J. Herma Spirits of Odin I. p. xiv Restless and rolling about in his bed, bloated like a gas bladder.
1840 M. Paine Med. & Physiol. Comm. I. 58 What apparent difference is there betwixt some membranous bags and the gas-bladders of fishes?
a1933 J. A. Thomson Biol. for Everyman (1934) II. 821 Some species..have long branched stems furnished with gas-bladders that act as floats and keep the plant within the light.
2009 D. W. Willis et al. Introd. Wildlife & Fisheries (ed. 2) v. 96 Most fishes are also able to save energy by maintaining a neutral buoyancy by using the gas bladder.
extracted from gasn.1adj.
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