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...
In the evening the facade is floodlit.晚上，建筑正面被泛光灯照亮。The Acropolis is floodlit in the evenings.夜晚泛光灯把卫城照得通亮.After your gourmet dinner, take a walking tour of the floodlit monuments.在你的美食晚餐之后, 可以到被聚光灯照耀的纪念碑去走一趟....
He answered carelessly and flippantly.他回答的时候漫不经心，没当回事。He answered the reporters'questions flippantly; this cannot be airily explained to your children.他轻率地回答了记者的问题; 这个不能随便说给孩子听.How can you treat me so flippantly!你怎么...