beestings的意思？

beestings的音标：beestings的英式发音音标为：['bi:stɪŋz]beestings的美式发音音标为：['bistɪŋz]...

Beestings: also beastings , The first milk secreted by a mammal, especially a cow, after parturition; colostrum.初乳哺乳: 动物分娩后最初分泌的奶, 尤指牛; 初乳....