The main impact system is cold trough on 500hPa, low eddy shear line on 700hPa, lower troposphere jet in the southwest and surface occluded front.是什么意思_The main impact system is cold trough on 500hPa, low eddy shear line on 700hPa, lower troposphere jet in the southwest and surface occluded front.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句