前几天,我们这里下了一场神奇的雨。雨后,大大小小的水沟边沿都有一些像硫磺一样的粉末状粘稠物。所有的人都不知道这是怎么回事。我也十分纳闷。我听见到处有人在讨论这个问题。他们的答案就像天上的白云,千奇百怪,有的说那是从松树皮上落下来的;有的说是日本核电站的化学物质被风吹到我们这边来了;有的说是酸雨,淋了这种雨对身体不好;还有 A few days ago, we had a fantastic rain here. After the rain, large and small gutter edges have some sulfur-like powdery sticky material. All people do not know what’s going on. I am very puzzled. I hear someone discussing this issue everywhere. Their answer is like the clouds in the sky, all sorts of strange things, some say that it is falling from the pine bark; some say that Japan’s nuclear power plants have been brought to our side by the wind; some say acid rain, This rain is not good for the body;