The ortho cone helicoid was used interrsect intercept by the ortho cone helicoid and the cylinder.正圆锥螺旋面是正圆柱螺旋面被同轴正圆锥面截得.The surface obtained when every point on the edge generates an involute is called helicoid.表面获得了在边缘...
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....
Algerian workers lack skills, a ZIEC employee said on condition of anonymity.中鼎国际一位要求不透露姓名的员工称,阿尔及利亚工人缺乏技术.Algerian plant formerly burned to obtain calcium carbonate.阿尔及利亚的一种植物,原来用于燃烧掉来获取碳酸钙.Most were wary and many appre...
他们填了一肚子的冰激凌、巧克力和棒棒糖。They stuffed themselves with ice creams, chocolate and lollies.凯文想舔一下萨拉的棒棒糖.Kevin wanted a lick of Sarah's lollipop.我给孩子买了几根棒糖.I bought the child some sticks of candy....