查询词典 a stumbling block

Turning our attention to difficult sentences, we felt that 'Lombroso and Ferrero, to whom criminal men were biologically less evolved, saw women as being less evolved than men and closer to primitive types and argued that natural selection had bred out their criminal tendencies' (third paragraph on page 16 of the reading) was rather complex and a possible stumbling block.

把我们的注意力转向困难语句，我们认为&龙波舒和费立诺，认为那些犯罪的男性在生物学上进化较少，认为女性比男性进化更少，接近于原始类型，认为自然选择剔除了他们的犯罪倾向。&（阅读材料第十六页第三段）相当复杂，是一个可能的障碍。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。