一个

• I want to search out an old school friend .
  我想寻找我的一个老同学。
• Mrs. green : he is a very nice person .
  格林夫人：他是一个很好的人。
• An important principle has been laid down .
  一个重要的原则已被确定。
• The ring sum of two circs is a circ .
  两个广义圈的环和是一个广义圈。
• Keep these things in a separate place .
  把这几件东西单放在一个地方。
• You may ask anybody here for help .
  这里随便哪一个人都可以为你效劳。
• This is the general atmosphere of secrecy .
  这是一个普遍的保密气氛。
• He wanted to tell the news to the world .
  他要把这件事告诉每一个人。
• That is probably quite a deadly wheel .
  也许那是一个致人死命的轮子。
• Someone must arbitrate between them .
  得有一个人在他们当中进行仲裁。