常見(jiàn)例句The lack of excretion of scleroprotein probably contributes to the irregular layers which lead to the pearls with poor luster. 淡水養(yǎng)殖無(wú)光珠的產(chǎn)生可能是由于有機(jī)質(zhì)分泌不足,形成了不規(guī)則的珍珠層的結(jié)果。a fibrous scleroprotein that occurs in the outer layer of the skin and in horny tissues such as hair feathers nails and hooves. 外層皮膚和頭發(fā)、皮膚、指甲及蹄等組織里的纖維硬蛋白質(zhì)。a fibrous scleroprotein that occurs in the outer layer of the skin and in horny tissues such as hair feathers nails and hooves 外層皮膚和頭發(fā)、皮膚、指甲及蹄等組織里的纖維硬蛋白質(zhì)30. a fibrous scleroprotein that occurs in the outer layer of the skin and in horny tissues such as hair feathers nails and hooves. 外層皮膚和頭發(fā)、皮膚、指甲及蹄等組織里的纖維硬蛋白質(zhì)。 返回 scleroprotein