陈伟和苏珊沿街而行时，看到一起事故。
Chen Wei and Susan are walking down the street when they see an accident.
陈伟和苏珊正沿着街道向前走，就在这时他们看到了一个交通事故。
Chen Wei and Susan are walking down the street when they saw an accident.
陈伟和苏珊正沿着街道向前走，就在这时他们看到了一个交通事故。
Chen Wei and Susan are walking down the street when they saw an accident.
应用推荐