窗外,灰蒙蒙的一片,太阳躲在云层后面,像个没睡醒的孩子,不肯睁开眼睛。蓝天就像被蒙上了一层灰色的纱,压得人喘不过气来。又是一个雾霾天!我愤愤地嘟囔着,跟着妈妈下楼,向学校走去。出了小区大门,只见街道上车水马龙,菜场边小贩们的吆喝声此起彼伏,来去匆匆的行人约好了似的,戴上了厚厚的防霾口罩。啊呀,我这才想起,口罩忘在家里了。算了,快点走吧,免得把这些有害气 Outside the window, the gray one, the sun hiding behind the clouds, like a child did not wake up, refused to open his eyes. The blue sky is like being covered with a layer of gray yarn that can be overwhelmed. Another smog day! I muttered angrily, and went down to my school with my mother. Out of the cell door, I saw the streets busy, the vendors side of the hawkers whining one after another, approached the passers-by in a hurry, wearing a thick haze mask. Ah, I think of this, mask forgotten at home. Forget it, hurry up, lest it be harmful