In this way the sphere is transformed into an ellipsoid.于是球体变成为椭球体.In reality the earth is not exactly spherical but rather shaped somewhat like a flattened ellipsoid.实际上地球不是精确的球形,而有点象一扁椭球.The main visualization techniqu...
Reid was forced to bail out of the crippled aircraft.里德不得不从严重受损的飞机上跳伞逃生。The ball deflected off Reid's body into the goal.球打在里德身上反弹进球门。John Reid has to find a way to make both sides talk to each other.约翰·里德得想办法让双方对话。...
化学家能把一种药物的各种成分分解出来.A chemist can separate a medicine into its components.化学家用电解法把水还原为氢.The chemist reduced water by electrolysis.了解这些稀有分子能帮助化学家找到可实现的目标。Understanding these rare molecules will help chemists to find out wh...