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单词 mammary gland
释义

WordReference Random House Unabridged Dictionary of American English © 2024
mam′mary gland′, 
  1. Anatomyany of the compound accessory reproductive organs of female mammals that occur in pairs on the chest or ventral surface and contain milk-producing lobes with ducts that empty into an external nipple, becoming functional when young are born and secreting milk for the duration of suckling.
  • 1825–35

Collins Concise English Dictionary © HarperCollins Publishers::
mammary gland n
  1. any of the milk-producing glands in mammals. In higher mammals each gland consists of a network of tubes and cavities connected to the exterior by a nipple
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更新时间：2024/11/11 10:14:13