英汉词典

1.Until recently, many children were not allowed a free hand when it comes to handedness.

很多小孩不被允许自由地使用左手或右手来学习，一直到最近才有好转。

2.Scientists have long wondered where our handedness comes from.

科学家很久以来一直不明白我们使用那只手的习惯从何而来。

3.How does coordinate system handedness relate to rotation direction and vertices ordering?

如何坐标系偏手性与转动方向和顶点订购吗？

4.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。

5.Even among identical twins who have exactly the same genes, one in six pairs will differ in their handedness.

甚至在拥有精确的相同的基因的双胞胎中，六对中有一对的惯用手就是不同的。

6.What mechanisms control handedness and keep left-handedness rare?

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？

7.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手习惯的物种中，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。