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美围发明了一种安全雨伞,伞的顶端装有灯泡,电池装在伞把内。人横穿马路时,行人可以打开小灯这样就容易发现他,不致造成危险。
The United States invented a safe umbrella, the top of the umbrella is equipped with bulbs, batteries installed in the umbrella handle. When people cross the road, pedestrians can turn on the light so that they can be easily found without danger.