atmospheric pressure

名词 atmospheric pressure:

1. the pressure exerted by the atmosphere
   同义词：air pressure

1. A region of atmospheric pressure that is below normal.
   低气压区大气压低于正常值的地区
2. A space in which the pressure is significantly lower than atmospheric pressure.
   真空般状态压强明显比大气压强低得多的空间
3. What's the atmospheric pressure today?
   今天的气压怎么样？