protective inorganic coating
常見例句
- The viscous, slippery substance that consists chiefly of mucin, water, cells, and inorganic salts and is secreted as a protective lubricant coating by cells and glands of the mucous membranes.
一種由粘膜細胞或腺分泌的作爲(wèi)潤滑保護層的粘滑物質(zhì)，主要成份爲(wèi)粘液、水、細胞和無機鹽。 返回 protective inorganic coating