保ほ証しょう牛ぎゅう乳にゅう

noun

certified milk

Milk that meets official quality and safety standards, often used in historical or regulatory contexts.

• 戦せん前ぜん、保ほ証しょう牛ぎゅう乳にゅうは厳きびしい基き準じゅんを満みたした牛ぎゅう乳にゅうだけに与あたえられた名めい称しょうだった。

  Before the war, 'certified milk' was a label given only to milk that met strict standards.