protective inorganic coating
常见例句
- 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潤滑保護層的粘滑物質，主要成份爲粘液、水、細胞和無機鹽。 返回 protective inorganic coating