black rain

基本解释

The Gulf was awash in poisonous smoke, soot and ash. Black rain fell.
波斯湾充斥着有毒的烟雾、烟尘和灰烬，并且下起了黑雨，出现了石油湖泊。
The analysis shows that black rain fell most extensively after 10 a.m. on Aug. 6, two hours after the bomb was dropped.
分析数据表明广岛原子爆炸两小时后黑雨的范围甚广。
Rain made everything sparkle. The black rain-slicked carriages, dark leather harnesses on the backs of the horses, even the men’s silk top hats glittered as they were leaving the theatres.
街上有一辆被雨打湿的黑色马车，皮革马套安静地搭在马背上，骑马的人戴着一顶华丽的丝绸帽子，简直像刚从剧院里溜出来。

This was the sky we had barely seen, the sky that had been hidden behind thick black rain clouds for the previous six weeks.
NEWYORKER: The Idiot President
Riding the dark ocean in the pitch of night before all hell breaks loose, sending up a cloud of heavy black rain and fire, throwing heavy equipment into the icy water, casting men to their deaths at the bottom of the sea.
FORBES: The BP Oil Spill: Who's Responsible, Part III
Those first black, wet days, winter rain fell on the stones inside her, and when she left Turov, everything froze.
NPR: Excerpt: 'Away'