gaseousness

例句：

1. 1. The scientist measured the gaseousnessof the atmosphere.
   科学家测量了大气的气体含量。
2. 2. The gaseousness of theair is affected by temperature and humidity.
   空气的气体含量受温度和湿度的影响。
3. 3.The gaseousness of the planet isdetermined by its composition.
   行星的气体含量由其组成决定。