News stories of genocidal revenge killings are sending chills down our spines.相互残杀报复的灭族事件此起彼落,教人闻之不禁胆颤齿寒.In biology a more homogeneous population is more susceptible to a genocidal plague.在生物学上,同种族生物数目越多,更加容易收到种族病毒的侵害....
9%的利息减去7%的通货膨胀率等于2%。9 percent interest less 7 percent inflation equals 2 percent.减去房价，又是10万。Take off the price of the house, that's another hundred thousand.6减去3得3。Three from six leaves three....
A diet deficient in vitamin D may cause the disease rickets.缺少维生素D的饮食可能导致软骨病.Richs'dog may receive the milk that a poor child needs to avoid rickets.富人的狗可以得到穷人的孩子为了避免软骨病而必须饮用的牛乳.Rickets can cause bone pain and weakn...