...温渐降,湿度渐增;气流到了凝结高度便达致饱和,空气中的水分凝结为云,云渐多而且重,最后降而为雨,称为地形雨(relief rain) ;常见于沿岸高山的向风坡。背风坡由于受山脉所阻,水汽缺乏,更兼下降空气变暖及干燥,因而成为雨影区(rain shadow)。
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Relentless rain in western China is causing more devastation and hampering relief work after mudslides in Gansu Province.
在甘肃遭遇泥石流之后,中国西部的暴雨继续造成巨大破坏并阻碍救援工作的进行。
By Tuesday noon, some 1,300 rescue and relief troops, including doctors and soldiers, had arrived at Wenchuan County for the first time after the quake struck and started operations in rain.
周二中午,1300名官兵和医生首次进入震中汶川,在雨中展开救援工作。
Officials overseeing relief efforts in Pakistan say an outbreak of disease is presenting a new threat to flood victims as they brace for more rain.
负责巴基斯坦救灾工作的官员说,在灾民面临更多降雨来袭的同时,疾病的爆发给洪灾灾民带来新的威胁。
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