某个周日,我们全家去周边城市游玩,老公驾车行驶在高速公路上,我和儿子则在后座跟唱着那些熟悉的歌曲,一家三口其乐融融,好不惬意突然,老公摇下车窗,“嗖”一张餐巾纸飞出窗外,瞬间不见了踪影。五岁的儿子立刻严肃地说:“爸爸,你不可以乱扔垃圾,要保护环境。”小小年纪的他已具 One Sunday, our whole family went to the surrounding cities to play. My husband was driving on the highway. My son and I sang those familiar songs in the backseat. The family of three enjoyed themselves. Whoosh “A napkin flew out of the window and disappeared instantly. Five-year-old son said immediately and solemnly: ”Father, you can not litter, to protect the environment." He had a young age