短语词组短语KL HOP -ON HOP-OFF CITY TOUR 观光巴士Hop -On -Off Bus Tour 随上随下巴士之旅hop -on n -off 随时上下KL Hop -on Hop-off tourist bus 跳上跳下公共游览车San Francisco Hop -on Hop-off Tour 旧金山随上随下电车之旅 返回 hop-on hop-off