A good rule of thumb for predicting the son's height is an average of both parents' heights plus 2 inches.
A good rule of thumb for predicting the son's height is an average of both parents' heights plus 2 inches.
一个很好的近似预测儿子身高的规则是，父母的平均身高+2英寸。
A good rule of thumb for predicting the son's height is an average of both parents' heights plus 2 inches.
一个很好的近似预测儿子身高的规则是，父母的平均身高+2英寸。