我在桥上站了一会儿，向后看去。
B.I stood for a while on the bridge and looked back .
在电车和五个人中间，隔着一座天桥，桥上站着一位陌生的大胖子。
You are standing next to a large stranger on a footbridge that spans the tracks , in between the oncoming trolley and the five people .
桥上站