The barometer marked a continuing fall in atmospheric pressure.气压表表明气压在继续下降.The upper surface of the fluid is under atmospheric pressure.流体上表面受大气压力作用.The glass ( ie atmospheric pressure ) is falling.气压在下降....

n.大气压力...

atmospheric pressure的音标：atmospheric pressure的英式发音音标为：[ˌætmə'sferɪk 'preʃə]atmospheric pressure的美式发音音标为：[ˌætmə'sfɛrɪk 'prɛʃɚ]...