大树奉献了浓浓的绿阴,为人们遮阳;小鸟唱出动听的歌谣,让人们心情愉悦;春蚕奉献了短暂的生命,供人们织锦……奉献是一种美德。清晨,窗外淅淅沥沥地下着雨,远处几位身穿橘色雨衣的清洁工阿姨,正在卖力地挥动着手中的扫把,清扫着路面上的积水、垃圾。偶尔有车辆飞驰而过,污水溅了她们一身。当人们还沉浸在甜蜜梦乡时,她们早 Tree dedication thick green shade for people shade; birds sing the pleasant songs, so that people feel happy; spring silk devoted a short life for people tapestry ... ... is a virtue dedication. In the early morning, there were raindrops under the window to rain. In the distance, a few cleaners aunt wearing orange raincoats were vigorously waving the brooms in their hands and cleaning the water and rubbish on the roads. Occasionally vehicles speeding past, the sewage splashed them all. When people are still immersed in sweet dreams, they are early