来看看怎么用美语聊秋天！ leaves changing color 树叶变颜色 I love to see leaves changing color. Look at all the pretty red and orange leaves! Fall is officially here! 我喜欢看树叶变颜色。看看那些漂亮的红叶和黄叶！秋天真的来了！ coolin' down 降温 The weather is coolin' down too! I had to wear a jacket to work yesterday. 天气也凉下来了。我昨天穿外套去上班。