更罕见的是，这些管道先天畸形。
没有确凿证据表明摄入维生素A会导致先天缺陷。
There was no positive evidence that any birth defects had arisen as a result of Vitamin A intake.
换句话说，无论两个人在记忆力上有什么先天的差异，这些差异都会被每个人对信息的“编码”能力所掩盖。
In other words, whatever inborn differences two people may exhibit in their abilities to memorize, those differences are swamped by how well each person "encodes" the information.
他的身高成为他相对于对手的先天优势。
His height gives him an inbuilt advantage over his opponent.
人的学习能力部分是先天的，部分是后天培育的。
The human organism learns partly by nature, partly by nurture.
这种病令人惊讶的难以患上，因为大多数人对它有一种先天的免疫力。
This disease is surprisingly difficult to catch, as most people have a natural resistance to it.
知识是后天获得的，不是先天就有的。
正确的思想不是头脑中先天固有的，而是来源于社会实践。
Correct ideas are not innate in the mind, but come from social practice.
除了克隆一只伟大的狗之外，该项目可能还有助于深入了解先天与后天这一古老问题。
Besides cloning a great dog, the project may contribute insight into the old question of nature vs. nurture.
然而，近日的双胞胎研究帮助科学家们得出了一个全新的结论：先天和后天因素不是唯一起作用的因素。
Lately, however, twin studies have helped lead scientists to a radical new conclusion: that nature and nurture are not the only elemental forces at work.
人体对疾病具有先天性防御机制。
The body has natural defence mechanisms to protect it from disease.
凯特琳先天患有危及生命的心脏病。
马克先天失明。
对双胞胎的研究让我们能够更多地反思人们先天的特质，以及后天经验导致的特质。
Twin studies have allowed us to be more reflective about what people are actually born with and what's caused by experience.
人类对他们的缺点和优点的来源很着迷，这种专注不可避免地导致了一个多年的争论：究竟是先天还是后天更能塑造我们。
Humans are fascinated by the source of their failings and virtues, this preoccupation inevitably leads to an old debate: whether nature or nurture molds us more.
对世界各地的生物医学研究人员来说，双胞胎提供了一个宝贵的机会，来解开基因和环境——也就是先天和后天的影响之谜。
To biomedical researchers all over the world, twins offer a precious opportunity to untangle the influence of genes and the environment—of nature and nurture.
从应答方面来讲，动物的免疫防御系统又划分为先天性免疫细胞及分子和适应性免疫细胞及分子。
Animal immunizing and defending system is also divided into geneogenous immunizing cells and molecules & adaptive immunizing cells and molecules on response.
出生时即患有白内障(先天性)。
至于领导力是后天还是先天形成的？
适应力是所有成功生物种类先天就固有的。
孩子是否还有罕见的先天心脏病？
这是一个后天影响先天的典型例子。
除这两个因素以外，我们还必须考虑人的先天能力。
On top of these two factors we also have to take into account people's innate ability.
我们怀疑他还有部分腭裂，这也是一种先天性缺陷。
We suspect he also had a partially cleft palate, another congenital defect.
首次感染时，免疫系统最初依靠先天非特异性防御。
The first time you get infected, your immune system has to rely initially on innate, non-specific defences.
儿童白内障通常是先天性的，在早产儿中更为常见。
The condition is usually present at birth and is more common in premature infants.
先天性心脏病。
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