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词汇 milk line
释义

Definition of milk line in English:

milk line

noun ˈmɪlk ˌlʌɪn

  • 1Embryology. A ridge of thickened ectoderm that appears on either side of the ventral surface of a mammalian embryo, extending from the fore to the rear limb buds, on which the mammary glands form; (also) a line representing this in post-embryonic life, the line occupied by the mammary glands.

  • 2Agriculture. The main pipe or tube which carries milk from a milking shed to a holding tank.

Origin

Late 19th century; earliest use found in Journal of the Royal Microscopical Society. From milk + line.

Definition of milk line in US English:

milk line

nounˈmɪlk ˌlʌɪn

  • 1Embryology. A ridge of thickened ectoderm that appears on either side of the ventral surface of a mammalian embryo, extending from the fore to the rear limb buds, on which the mammary glands form; (also) a line representing this in post-embryonic life, the line occupied by the mammary glands.

  • 2Agriculture. The main pipe or tube which carries milk from a milking shed to a holding tank.

Origin

Late 19th century; earliest use found in Journal of the Royal Microscopical Society. From milk + line.
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