问题描述: at birth是什么意思? 1个回答 分类:英语 2014-10-23 问题解答: 我来补答 1.出生,诞生;分娩[C][U] The exact date of his birth is not known.他出生的确切日期无人知道.2.血统,家世,出身[U] He is a man of German birth.他是个德国血统的男子.3.起源;发生;产生[U] 展开全文阅读