handedness

英 [ˈhændɪdnəs]

美 [ˈhændɪdnəs]

n.  用手习惯；用右手或左手的习惯

TOEFL医学

BNC.30167 / COCA.32542

英英释义

noun

• the property of using one hand more than the other
  Synonym:laterality

双语例句

• The supramolecular pinwheel cluster is a unique chiral structure with evident handedness.
  超分子风车团簇是一种具有明显左旋右旋性质的手性结构。
• But at one time, handedness ( twist direction of the shell) was equally distributed within some snail species that have become predominantly dextral or, in a few species, predominantly sinistral.
  但是曾经，许多蜗牛品种的手性（壳的螺旋方向）分布是均等的，后来都变成了右旋为主，只有少数一些品种是左旋为主的。
• Scientists disagree over what percentage of human populations are "right-handed" or "left-handed" because there is no standard, empirical definition for measuring "handedness";
  科学家们对于人群中右撇子以及左撇子所占的百分比持有差别的意见，这是由于现在对于丈量“利手”没有一个标准的、经验的定义；
• The fMRI signal was used to study the influence of the handedness on the brain function, by comparing the coordinates of the peak activation in M1 and cerebellum ( CRB) during bi-manual and uni-manual movement.
  利用fMRI信号研究了左右利手性对脑功能活动的影响，分析了双手运动和单手运动在M1和小脑（Cerebellum，CRB）激活区的定位上的不对称性。
• For the relationship between handedness and speech lateralization, see Chapter four.
  惯用手和语言侧化的关系，见第四章。
• There was obvious correlation between handedness and hand clasping, but no relation between handedness and arm folding, arm folding and arm folding.
  惯用手与扣手间存在明显的相互关系，扣手与交叉臂以及惯用手与交叉臂之间则无关。
• What mechanisms, control handedness and keep left-handedness rare?
  什么机制控制着手性使得左旋型变得稀缺？
• Effects of Handedness and Attentional Biases on Cerebral Functional Dominance in Dichotic Listening Chinese Character Words
  利手与注意偏向对双耳分听汉字大脑功能优势的影响
• The hereditary mode of handedness or folding leg was likely the dominant heredity of single gene of autosome, and the right type of them was the dominant character.
  利手和叠腿很可能均为常染色体单基因遗传，利手右型和叠腿右型分别为显性性状；
• The reason may be that handedness was so proficient that needed less brain resources.
  这可能与用利手作出反应时熟练程度更高，相对消耗的脑资源更少，可能有利于右半球优势的出现。