蛋壳变得非常薄，以至于在婴儿孵化之前就被打碎了。
The shells became so thin that they shattered before the babies hatched.
教会记录显示，他于4月26日受洗，在为新生婴儿施洗之前，通常需要等待三天。
Church records show he was baptized on April 26, and three days was a customary amount of time to wait before baptizing a newly born baby.
现在，英国心理学家格兰姆·谢弗发现，早在婴儿会说话之前，他们就能学习单词或一些不寻常的事物。
Now, British research psychologist Gram Shaffer has discovered that infants can learn words or uncommon things long before they can speak.
大多数人都不能回忆起三岁之前的经历，这种现象被称为婴儿失忆症。
Most people are not able to recount memories for experiences prior to the age of three years, a phenomenon called infantile amnesia.
也就是说，事实上唯一给我们家里打电话的人是我们婴儿潮世代的父母。所以我们会玩一个游戏，在拿起电话之前猜是谁在打电话（使用来电显示功能会让游戏失去乐趣）。
That said, to be honest the only people who ever ring our home phone are our Baby Boomers parents, to the point where we play a game and guess who is calling before we pick up the phone (using Caller ID would take the fun out of it).
“在它干之前不要动它，”他告诫说，而莫丝则把婴儿放在它旁边。
"Before it dries, " he cautioned, and Moth put the baby down next to it.
许多儿科医师会在婴儿出生之前见下你来确定你练习的方向并回答你的问题。
Most pediatricians will meet with you before your baby is born to Orient you to the practice and answer questions.
如果你在妊娠早期(11周之前)感染风疹，你的婴儿很可能受累。
Your baby is most likely to be affected if you catch rubella early in your pregnancy (before 11 weeks).
尽管婴儿甚至在离开娘胎之前开始不由自主地打哈欠，但在这项研究中的大多数孩子直到4岁才开始有打哈欠传染的迹象。
Although babies begin to yawn spontaneously even before they leave the womb, most of the children in this study didn't show signs of contagious yawning until they were 4.
在那次手术之前，欧洲尚未出现一例成功的婴儿心脏移植手术。英国仅有的两次尝试均以失败而告终。
Until then, there had been no successful heart transplants on babies in Europe. The two attempted in Britain had both failed.
而早在婴儿咿呀学语之前，他们就已经开始学习自己母语的音调了。
But long before that first burble or coo, babies are learning the elements of language.
婴儿所喝的奶在被允许带上飞机之前要由母亲品尝。
Mothers were made to sip baby milk before being allowed to take it on board.
婴儿往往在学会说话之前先学会笑。
在那次手术之前，欧洲尚未出现一例成功的婴儿心脏移植手术。
Until then, there had been no successful heart transplants on babies in Europe.
在美国约有13%的存活产婴儿是早产，这意味着在婴儿是怀孕37周之前出生的，根据美国疾病控制和预防中心的一项调查显示。
About 13 percent of all live births in the United States are preterm, meaning the baby is born before the 37th week of pregnancy, according to the Centers for Disease Control and Prevention.
尽管如此，根据疾病控制和预防中心的数据，一半以上的美国婴儿在4个月之前断奶，或是根本不进行母乳。
However, in the U.S. about half of babies are breastfed for less than 4 months, or not breastfed at all, according to the Centers for Disease Control and Prevention.
在婴儿会说话之前，甚至在他们还不会爬的时候，他们就能够靠看着说话人的脸来辨别两种不同且从未听过的语言了。
Before they speak-before they even crawl-infants can distinguish between two languages they've never heard before just by looking at the face of a speaker.
先天性心脏病在婴儿出生之前发生在心脏出现畸形的时候，这几乎是所有先天缺陷的共同特点。
Congenital heart disease occurs when the heart is malformed before birth, and is the most common of all birth defects.
今天，科学家们正在探索婴儿出生的第一年，在ASD的全面症状尚未呈现之前识别它的方法。
Today, scientists are exploring ways to identify ASD in the first year of life, before the full syndrome of ASD is present.
但在二岁之前，她出现了一连串的难以解释的紧急状况，她的父母霍华德和美莲娜很快明白它不像正常的婴儿那样成长。
However before the age of two she suffered a series on unexplained medical emergencies and it soon became clear to her parents Melanie and Howard that she was not developing as normal.
举个例子，包括我在内的很多犹太人都不会事先办宝宝庆祝会，也不会在婴儿出生之前购买婴儿用品。
For instance, many Jews, including myself, forgo having baby showers or buying baby gear before the infant is born.
还有其他一些夫妇在他们做出决定或计划之前，他们想获得婴儿是否有唐氏综合症、囊胞性纤维症或其他遗传异常疾病。
Still other couples want to be armed with the information that their unborn child will have Down's syndrome cystic fibrosis or other genetic abnormalities before they make decisions or plans.
早在堕胎问题引起争论之前，关于试管婴儿是否需要父亲的权利就争论不断，当实施人工受精的医生决定非婚生子女的抚养权时，这个问题就再次浮上台面。
Right before the debate on abortion came one on whether a child's need for a father should continue to be a factor that fertility doctors must consider when deciding whom to treat.
婴儿在他们会说话很久之前就会笑。
多个医学中心的监测数据表明艾滋病毒感染婴儿罹患播散性卡介菌病的风险明显高于之前的估计，尽管目前的数据可能还是低估的。
Multicentre surveillance data showed that the risk of disseminated BCG disease in HIV-infected infants is considerably higher than previously estimated, although likely to be under-estimated.
在皮亚杰之前，并没有人注意到婴儿在追踪和理解客体上，存在着守恒的问题。
Before Piaget, nobody noticed that babies had this problem tracking and understanding objects.
其基本前提是，婴儿在他们会说话之前就会交流，在20世纪80年代后期，JosephGarcia及其他科学家对此做过彻底地调查研究。
The basic premise - that babies can communicate before they can talk - was investigated thoroughly by the scientist Joseph Garcia, among others, in the late 1980s.
其基本前提是，婴儿在他们会说话之前就会交流，在20世纪80年代后期，JosephGarcia及其他科学家对此做过彻底地调查研究。
The basic premise - that babies can communicate before they can talk - was investigated thoroughly by the scientist Joseph Garcia, among others, in the late 1980s.
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