had little oxygen left.空气似乎很稀薄，好像在混合的气体中剩下的氧气很少。Hit by a lack of fresh air, my head ached.由于缺乏新鲜空气，我感到头痛。Just as I tried to make the necessary adjustment to this new situation, Wang Ping appeared.正
当我想努力调整适应新环境时，王平出现了。\he advised. \make you feel much better.\他告诉我，“把这个面罩戴上。它会使你感觉好得多。” He handed it to me and immediately hurried me through to a small room nearby for a rest.他把面罩递给我，敦促我马上走进附近的一个小房间，叫我休息。I felt better in no time.我立刻就感到舒服些了。Soon I was back on my feet again and following him to collect a hovering carriage driven by computer.很快，我就又
一次恢复过来了，跟着他去领取了一台由电脑驱动的气垫车。These carriages float above the ground and by bending or pressing down in your seat, you can move swiftly.这些气垫车是在地面上方漂浮着的，只要在座位上把操纵杆打弯或压
下，你就可以迅速地移动。Wang Ping fastened my safety belt and showed me how to use it.王平系紧了我的安全带，教我怎样使用它。Soon I could fly as fast as him.不久，我就可以飞得跟王平一样快了。However, I lost sight of Wang Ping when we