focus

• The earth revolves around the sun in an ellipse with the sun at one of the foci .
  地球在以太阳为焦点的椭圆上围绕太阳公转。
• Let 's focus our attention on the main problem and not get bogged down in minor issues .
  抓主要问题，不要被枝节问题牵掣住。
• They'll start quarrelling with and playing to each other instead of focusing .
  他们不会留神注意的，反而会互相争吵和玩笑起来。
• The specter of dying has a way of focusing your attention in a big hurry .
  在生死关头，你必须设法集中精力，把要做的事尽快完成。
• It seemed to me that we would be better off focusing on a partial settlement .
  在我看来，集中力量求得部分的解决，这对我们就算不错了。
• I believe we can expect a future focus on greater efficiency in public forest management .
  我深信，将来的重点是更有效地管理国有森林。
• Notice that in all cases, the rays either diverge from or converge toward the foci .
  注意在所有的情况下，光线不是从焦点发散就是会聚到焦点。
• The question was open as to what shape of lens would so focus in the coming rays .
  什么形状的透镜能起这样的聚焦作用，还是一个没有解决的问题。
• In the poor countries the main concern focused on the question of growth versus income distribution .
  穷国关注的主要问题是增长与收入分配的关系。