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单词 colostrum
释义

WordReference Random House Unabridged Dictionary of American English © 2024
co•los•trum  (kə lostrəm),USA pronunciation n. 
  1. Nutritiona yellowish liquid, esp. rich in immune factors, secreted by the mammary gland of female mammals a few days before and after the birth of their young. Also called foremilk. 
  • Latin colostrum, colustrum beestings
  • 1570–80
co•lostral, adj. 

Collins Concise English Dictionary © HarperCollins Publishers::
colostrum /kəˈlɒstrəm/ n
  1. the thin milky secretion from the nipples that precedes and follows true lactation. It consists largely of serum and white blood cells
Etymology: 16th Century: from Latin, of obscure origin
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