protective inorganic coating

基本解释

• [經濟學]無機塗層

英汉例句

雙語例句

• 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。

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专业释义

經濟學

• 無機塗層