openadj.开着的；开放的；公开的v.打开；张开；展开；摊开；开始(某事物)；开张；营业；以…开头；宣布启用n.户外；公开open golf公开高尔夫球赛

1. What he said was an approximation of my idea.
   他说的是很接近我的想法。
2. This is a close approximation to the truth.
   那很接近于事实真相。