Every now and then fleecy clouds floated across the sky.The lake and the hills add radiance and beauty to each other.Butterflies fluttered about among the flowers.

• 不经意，一片叶子从树枝上飘落，但它似乎不急于落地，在清丽的空中，划出优美的弧线，随着一阵清风，欢快地跳着舞。