那天，初春的杭州西湖也正像严西湖一样，苏堤春晓，柳绿桃红，在湖面蓝天之间也划了一道界限，蓝湖碧天，帆摇鸥翔，十分绚丽。
B-Time I-Time O B-Time I-Time O O O B-Thing B-Person O O O B-Thing I-Thing I-Thing O O O B-Person I-Person I-Person I-Person O B-Thing O B-Thing O O O B-Thing I-Thing I-Thing I-Thing B-Location I-Location O O O O O O O O B-Thing I-Thing I-Thing I-Thing O B-Thing O B-Thing O O O O O O O