at the 书上说at birth是在出生时，可是例句是were you present at the birth?而且翻译是分娩时你在场吗？这是为什么？分娩时和在出生时有什么区别吗？

at the 书上说at birth是在出生时，可是例句是were you present at the birth?而且翻译是分娩时你在场吗？这是为什么？分娩时和在出生时有什么区别吗？ at birth是什么意思? separated at birth The baby panda was very w______________ at birth. The baby girl____(weigh)3.4 kilograms at birth. The boy weighed 4 kilos at birth.同义句 __ __ __ the boy __ 4 kilos at birth. at a birth和at birth的区别给 在动物园（ ）the zoo In 还是 At 为什么?英语书上是At，但我很好奇为什么不是In， surname是姓,surname at birth(earlier family name)是什么? The small cat_______(weigh) 2 lilograms at birth.有的答案是weighs,还有的是weighed.到底那个对啊 that he told us at the meeting is not ture 书上说THAT是错的,为什么呢. 为什么不用at birth?He is noble by birth. 在周末是at weekends or at the weekends How much was the weight of the baby panda at birth.改错 man's nature at birth is good Name(s) at birth (previous surname(s)) spouse family name at birth是什么意思 用英语说 在花园里是 at the garden 还是 in the garden