| 单词 | thumb-pad |
| 释义 | > as lemmasthumb-pad thumb-pad n. a pad covering the inner metacarpal bone in some batrachians ( Cent. Dict. 1891). ΘΚΠ the world > animals > amphibians > order Anura or Salienta (frogs and toads) > [noun] > member of > parts of parotoid1871 brow-spot1875 sphenethmoid bone1875 suprascapula1888 thumb-pad1965 1965 J. Lee & F. Knowles Animal Hormones iii. 53 At sexual maturity in male frogs (for example Rana temporaria) there is hypertrophy of the muscles of the forearms and thickening of the thumb-pads. < as lemmas |
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