1. Air whether in the gaseous or liquid state is a fluid. 空气，无论是气态的还是液态的，都是一种流体。
2. A radioactive, inert, gaseous isotope of radon, with a half-life of 3. 92 seconds. 氡的一种放射性的，惰性的和气态的同位素，其半衰期为3。92秒。
3. The application of cleaner gaseous fuel in buses and taxis will be promoted. By 2007, 90% of the buses and 70% of taxis will use clean fuel . 在公交车和出租车中大力推广使用清洁气体燃料，到2007年底，90%的公交车和70%的出租车将使用清洁气体燃料；
英英解释
adj.
1. existing as or having characteristics of a gas
