Construct an animation showing the tangent sweeping out the interior of astroid.建构一动态绘图:展示星状线的切线所有扫掠过的内部轨迹.Construct rotating cardioid and astroid while remaining orthogonal to each other.作旋转的心脏线和旋转的星状线,且彼此维持正交.Construct...
鼓励教师调动本身不会消弭教学队伍中的种族隔离。Encouraging teacher transfer would not, by itself, integrate the teaching corps.该中心向所有人开放，不论种族和宗教信仰如何。The centre is open to all, no matter what race or creed.住房与教育方面的种族不平等现象让黑人深受伤害。Blacks have been...
They're resentful that outsiders presume to meddle in their affairs.他们对外人擅自干预他们的事务非常愤慨。Over the years he's demonstrated a certain prescience in foreign affairs.这些年来，他已经在外交事务方面表现出一定的预见性。The parliament described ...