spon·gin /ˈspʌnʤən/ 海綿硬蛋白
spon·gin /ˈspənʤən/ 名詞 海綿硬蛋白,海綿絲
Spon·gin n. Physiol. Chem. The chemical basis of sponge tissue, a nitrogenous, hornlike substance which on decomposition with sulphuric acid yields leucin and glycocoll. ◄ ►