牛乳|ぎゅうにゅうgyuunyuu[0]heiban (flat)

1. noun(cow's) milk
   牛うしは我々われわれに牛乳ぎゅうにゅうを与あたえてくれる。↗

   The cow supplies us with milk.

• SynonymミルクNeutralA loanword covering milk in general, also infant formula and condensed milk; common on product labels. 「牛乳」 refers specifically to cow's milk.
• Synonym市乳FormalA formal legal and industry term for milk sold to consumers for drinking, as distinct from raw milk used in processing. Rare in daily speech; people normally say 「牛乳」.

Default to 「牛乳」 for milk. Use 「ミルク」 for milk in general or for infant formula; 「市乳」 is a formal industry term for retail drinking milk.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 人間にんげんの飲み物のみものとしての、牛うしの乳汁にゅうじゅう。