张雅的回答：

birth 英[b?:θ] 美[b?:rθ] n. 出生; 分娩; 出身; 起源; [例句]It was the birth of his grandchildren which gave him greatest pleasure 孙子孙女的出生给他带来了极大的快乐。 [其他] 复数：births

斷┡ē╬誸的回答：

出生

何冰冰的回答：

birth 英[b?:θ] 美[b?θ] 复数：births n. 1.出生, 分娩 2.起源 3.出身, 门第 名词 n. 1.出生, 分娩 The father was present at the birth. 婴儿出生时, 其父亲在场。 2.起源 It was in Asia that the world's greatest cultures had their birth. 世界上最伟大的文化都起源于亚洲。 3.出身, 门第 He is a man of low birth. 他是个出身低微的人。