在出生前，婴儿就能分辨出响亮的声音和嗓音。
Before birth, babies can tell the difference between loud sounds and voices.
从你们出生前至今，她一直在行医。
但是请务必在孩子出生前回来。
我们也许无法改变出生前的胎儿。
我为什么没在孩子出生前重返校园？
Why didn't I go back to school in the B. C. (before children) era?
玛丽亚将在孩子出生前回来。
在我出生前我父母就来到了这个国家。
这一切在我出生前就开始了。
可怜的孩子出生前的事儿。
为什么人们要在婴儿出生前举行聚会呢？
在他们的女儿出生前，他就离开了中国。
显然，在我出生前他们有一些大的仪式。
那是一八六五年——我出生前一年的事。
她在研究人脑在出生前后是怎样发育的。
She is studying how the human brain develops before and after birth.
他们出生前后相差两年。
这个短语指的是你出生前的很长一段时间。
出生前abo抗原已发育完好且会终其一生。
They are developed well before birth and remain through life.
结果表明在高海拔出生的婴儿出生前就缺氧了。
The results suggest that babies born at high altitude are deprived of oxygen before birth.
问问老一辈的人或者朋友，看他们是否记得你出生前的事情。
Ask older family or friends what they remember from times before you were born.
一个不懂自己出生前的历史的人，永远是个孩子。
你还未出生前，我已为了特别职务把你分别出来。
在我的孩子们出生前，我就知道我会整天面对他们了。
Before my kids were born, I was convinced I would face them all the time.
你不可能遇到我奶奶，因为她早在你出生前就死了。
You couldn't have met my grandmother. She died before you were born.
在她出生前，她有三位兄姐分别夭折于痢疾，霍乱和疟疾。
Before her birth, her mother had lost a child each to dysentery, cholera, malaria.
这时，大多数克隆鼠、羊和其他动物都在出生前死掉了。
At the moment, the majority of cloned mice, sheep and other animals die before birth.
如果在本杰明出生前他们家就下赌注的话，现在一定很有钱了。
If the family had put a bet on it before Benjamin was born they would be very rich now.
而活在2010年的人们则把他们出生前发生的产品质量的进步视为理所当然。
And people in 2010 take for granted improvements in product quality before they were born.
而活在2010年的人们则把他们出生前发生的产品质量的进步视为理所当然。
And people in 2010 take for granted improvements in product quality before they were born.
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