crop milk

名词 n.
中文释义

英文释义

名词 n.
  1. A semi-solid substance, somewhat like pale yellow cottage cheese, secreted from the lining of the crop of (both male and female) pigeons and doves that is fed to their young (squabs) through regurgitation. An analog to crop milk is also secreted from the esophagus of flamingos and some penguins. countable,uncountable

词形变化

crop milks plural
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