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单词 colostrum
释义 colostrum
 —colostral,  adj.  
 /keuh los"treuhm/,  n.  
 a 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.
 [1570-80; < L colostrum, colustrum beestings]
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