1961 : Communist east germany erects berlin wall to prevent travel westward .
1961:为阻止人们西行,共产东德竖起柏林墙。
That teaching designs a divisor is that one number division erects style .
教学设计除数是一位数的除法竖式。
In a way , you could say that lightning bolts are nature 's retribution for the sin of vanity , since anyone who erects the tallest structure in the area surely has no shortage of pride .