镇上有一家商店，出售左撇子用品。
There is a shop in town that supplies practically everything for left-handed people.
我难于操纵这个变速杆，因为我是左撇子。
I'm having trouble with this gear lever because I'm left-handed.
他连胜3局，轻松击溃了这位年轻的左撇子选手。
一个左撇子工具制造者会做出相反的图案。
现在制造商们开始发现左撇子产品的市场。
Manufactures are now beginning to see that there is a market for left-handed products.
毫无疑问，我们是左撇子产品的最大供应商。
We are without any doubt the largest supplier of the left-handed items.
也许这可以部分解释人类社会中左撇子的存在。
Perhaps this can partly explain the existence of left-handers in human societies.
活动家们指出，监狱中，囚犯是左撇子的比例很高。
Campaigners point out that a high percentage of the prison population is left-handed.
英国商店正在推广一款专为男性左撇子设计的内裤。
British store is launching a range of underpants for left-handed men.
我们能批评一个生为左撇子或生来就有诵读困难的人吗？
Can we be critical of a person who is born left-handed or dyslexic?
他们声称，数以千计的儿童仍在因左撇子而“处于劣势”。
They claim that thousands of children are still being "penalized" for being left-handed.
是什么机制控制了用右手或左手的习惯并使左撇子很少出现？
What mechanisms control handedness and keep left-handedness rare?
有研究表明，在徒手格斗时，左撇子可能比大多数右撇子占优势。
It has been suggested that when it comes to hand-to-hand fighting, left-handers may have the advantage over the right-handed majority.
在幼龄教育中，左撇子儿童学习起来很艰难，他们的书写一团糟。
In early-year education, left-handed children are struggling and making a mess of their handwriting.
因此，尽管具有体育优势，左撇子的存在给生物学家提出了一个问题。
Sporting advantage notwithstanding, therefore, the existence of left-handedness poses a problem for biologists.
因此，尽管具有体育优势，左撇子的存在给生物学家提出了一个问题。
Sporting advantage notwithstanding, therefore, the existence of left-handedness poses a problem for biologists.
在格鲁比初次尝试的30年后，市面上出现了更多面向左撇子的产品。
30 years after Gruby's initial efforts, there are more left-handed product actually on the market.
活动家们警告说，英国政府在防止左撇子学生落后于同龄人方面做得不够。
Campaigners have warned that the British government is not doing enough to prevent left-handed pupils from falling behind their peers.
因此，左撇子的稀少可能是这些其他伴随的构造特征所带来的不利影响的结果。
Sinistral rarity might, then, be a consequence of possible disadvantages conferred by these other concomitant structural features.
格鲁比先生自己也是左撇子，他想到了这个主意，试图推广一些为左撇子设计的产品。
Mr. Gruby being left-handed himself, thought of the idea to try to promote a few products for left-handers.
令活动家们感到奇怪的是，在英国的学校里，孩子们仅因为他们碰巧是左撇子而处于劣势。
Campaigners feel it's strange that children in British schools are penalized because they happen to be left-handed.
更让人困惑的是，为什么总是有少数例外？比如左撇子，他们与大多数人的思维方式不同。
A further puzzle is why are there always a few exceptions, like left-handed humans, who are wired differently from the majority of the population?
近年来的研究表明，左撇子儿童更容易出现学习困难的问题，他们在智商测试中的得分也更低。
Studies in recent years show that left-handed children are more likely to suffer with learning difficulties and their scores are lower on IQ tests.
但是通过非生物过程合成的，也就是不涉及微生物的那些，在右撇子和左撇子中数量是相等的。
But the ones synthesized through abiotic processes, which is to say not involving microorganisms, occur in equal numbers of right- and left-handed.
在这里，进化理论必须遵从一种基于明确的发展机制的理论，这种机制可以支持右撇子或左撇子。
Here, the evolutionary theory must defer to a theory based on an explicit developmental mechanism that can favor either right-or left-handedness.
在这里，进化理论必须遵从一种基于明确的发展机制的理论，这种机制可以支持右撇子或左撇子的现象。
Here, the evolutionary theory must defer to a theory based on an explicit developmental mechanism that can favor either right or left-handedness.
在这里，进化理论必须遵从一种基于明确的发展机制的理论，这种机制既可以支持右撇子，也可以支持左撇子。
Here, the evolutionary theory must defer to a theory based on an explicit developmental mechanism that can favor either right-handedness or left-handedness.
这也不能解释为什么在一个由父母一方决定利手的物种中，当后代具有相同的遗传倾向时，他们并非完全是右撇子或左撇子。
Nor does it explain why, in a species where one parent determines handedness, a brood is not exclusively right or left-handed when the offspring would have the same genetic predisposition.
这也不能解释为什么在一个由父母一方决定用利手的物种中，当后代具有相同的遗传倾向时，他们并非完全是右撇子或左撇子。
Nor does it explain why, in a species where one parent determines handedness, a brood is not exclusively right-or left-handed when the offspring would have the same genetic predisposition.
这也不能解释为什么在一个由父母一方决定用利手的物种中，当后代具有相同的遗传倾向时，他们并非完全是右撇子或左撇子。
Nor does it explain why, in a species where one parent determines handedness, a brood is not exclusively right-or left-handed when the offspring would have the same genetic predisposition.
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