妊娠后期和分娩后几天由乳腺产生的乳汁。
colostra — plural of colostrum
初乳；[医] 初乳
妊娠后期和分娩后几天由乳腺产生的乳汁。
A form of milk produced by the mammary glands in late pregnancy and the few days after giving birth.
松节油和蛋黄的混合物,旧时用作乳剂。
A mixture of turpentine and egg yolk, formerly used as an emulsion.
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