Studies also suggest their writing skills are less developed, though, and that they are less adept than other children at distinguishingcolors, forms and sizes.
不过,研究也显示,他们的书写技能比较薄弱,在识别颜色、形状和大小方面也不够熟练。
2
Some people have difficulty distinguishing between colors.
有些人分辨不清各种不同的颜色。
3
The edge distinguishing number of a graph G is the minimum number of the distinguishing labelings (colors) of the edges in G for which destroys the symmetries of G.