My own son
亲生───Birth;儿子───Son
The baby weighed three kilos at birth.───婴儿出生时体重为三公斤。
She weighed 5lb 7oz at birth.───她出生时重5磅7盎司。
Sadrudin was an Iranian by birth.───德鲁丁在血统上是伊朗人。
How much of their understanding of and response to the world comes preloaded at birth?───他们对这个在他们出生前就存在的世界，有着什么样的理解又会作出什么样的反映呢？
America's economy grew more quickly partly because its population rose by almost 1% a year, thanks to immigration and a higher birth rate.───美国经济增长速度更快，部分原因是因为移民以及较高出生率导致其人口年增长率几乎为1%。
"Binge drinking has many effects on the next generation through low-birth weight, birth defects and sudden infant death syndrome, " he said.───他说：“过度饮酒对下一代有很多的影响，比如：婴儿出生体重低、出生缺陷、婴儿猝死综合症。”
Birth is much, but breeding is more.
The father was present at the birth.
Birth rates are notoriously difficult to predict.
Please give your name, address and date of birth.
He's been deaf and dumb since birth.