许多民众加入了搜寻失踪男孩的行动。
Members of the public joined the search for the missing boy.
昨天在伦敦发现了一个与失踪男孩情况相符的孩子，安然无恙。
A child answering the description of the missing boy was found safe and well in London yesterday.
老师们把寻找失踪男孩的范围缩小到学校附近的几条街。
The teachers narrowed the search for the missing boy down to a few streets near the school.
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