South Africa was going through a period of irreversible change.南非正在经历一场不可逆转的变革。He was taken prisoner in North Africa in 1942.他于1942年在北非被俘。Athletics South Africa was formed by an amalgamation of two organisations.南非体育协会由两...
In adults its contour may be straight, slightly concave or slightly convex.成人肺其形状可以是直的, 轻微凹下或轻度突出.A convex lens is used to concentrate rays of light.凸透镜用于聚集光线.Convex analysis, Lagrangian relaxation, non differentiable op...
What time did Uncle Herman leave?霍曼叔叔什么时候走的?For all who knew him, " Ask Herman " became a bywork.凡是认识他的人都把 “ 问赫尔曼 ” 当作一句口头禅.Herman had acted as if he were devoted to Yasha.赫尔曼还装出一副对雅夏心悦诚服的样子....