birth/bɝθ; bɜːθ/n 1 give birth if a woman gives birth, she produces a baby from her body 生孩子: +to She's just given birth to twins. 她刚刚生了一对双胞胎。2 [C,U] the time when a baby comes out of its mother's body 出生: at birth (=when someone is born) 出生时 She weighed 3kg at birth. 她出生时体重为三公斤。from/since birth He has been blind from birth. 他先天失明。date of birth especially BrE 【尤英】/birth date especially AmE 【尤美】: What's your date of birth? 你的出生日期是什么时候?3 [U] someone's family origin 出身﹔血统﹔家世﹐家系: by birth Her father was French by birth. 她的父亲是法国血统。4 birth parent/mother/father someone's birth parent is their real mother or father, rather than someone who looked after them or ADOPTED them 生身父母/生母/生父5 [singular 单数] the time when something new starts to exist〔新事物的〕诞生﹐起源: +of the birth of a nation 一个国家的诞生