沙尘天气分为浮尘、扬沙、沙尘暴、强沙尘暴、特强沙尘暴五个等级,扬沙是指风将地面尘沙吹起,使空气混浊,水平能见度在1km-10km以内,沙尘暴是强风将地面尘...
cloud的形容词cloudy adj.被云遮住的;阴云密布的;阴天的;多云的;不清澈的;不透明的;浑浊的 比较级 cloudier 最高级 cloudiest The room became cloudy with ...
be connected with 与…有关; 例句 What makes you suppose him to be connected with them? 什么使你想到他和他们有联系? All your festivals seem to be...