... 表面和容积之比 surface to volume ratio 表面与质量之比 surface-to-mass ratio 不溶氮与总氮之比 insoluble nitrogen to total nitrogen ...
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ratio surface-to-mass 表面
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The bigger the animal is, the lower its surface-to-volume ratio; for every ounce of body mass, there is proportionately less surface through which heat can escape.
动物体型越大，其体表体积比越低；躯体每增加一盎司的重量，所能散发热量的表面就成比例减少。
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