cloudless skies allowed a clear view of dust and hydrogen sulfide plumes along the coast of namibia in early august 2010.
晴朗无云的天空使我们清楚的看到沿纳米比亚海岸漂浮的沙尘和海面上硫化氢。
but the actual record, 4.17m square km in 2007, was the product of an unusual combination of sunny days, cloudless skies and warm currents flowing up from mid-latitudes.
真正的记录是2007年的417万平方公里,是连日晴朗无云和来自中纬度的暖流共同作用的结果,实属偶然。
under cloudless skies the surface heats and gives up its moisture, making things at ground level hotter and drier while not increasing the chances of rain.
这块万里无云的天空下,地表温度上升、失去水分,从而造成地面上的物质越变越热、愈加干燥,但降雨的机会却丝毫未增加。