奶牛 (nǎi niú) — dairy cow, milk cow

定義

例文

• 农场里养了三十头奶牛。
  Nóng chǎng lǐ yǎng le sān shí tóu nǎi niú.
  The farm has thirty dairy cows.
• 这些奶牛每天产奶约二十升。
  Zhè xiē nǎi niú měi tiān chǎn nǎi yuē èr shí shēng.
  These milk cows produce about twenty liters of milk per day.
• 村民靠养殖奶牛脱贫致富。
  Cūn mín kào yǎng zhí nǎi niú tuō pín zhì fù.
  The villagers got out of poverty and became rich by raising dairy cows.