an old air中文什么意思

古意

• old:    adj. (-er; -est; 表 ...
• air:    n. 1.空气，大气。 2.天空，空 ...
• an old fox has an old box:    老狐狸有只旧盒子

例句与用法

1. An old air force war horse is getting a new assignment
   一架空军旧式飞机奉命执行一项新的任务。
2. As modern air conditioning systems are far more energy - efficient than those installed over 10 years ago , an investment was made by replacing an old air conditioning system with a new one in our east kowloon office
   由于新的空调系统远较十多年前装设的系统更具能源效益，本处已在这方面作出投资，更换本处东九龙办事处的旧空调系统。