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[PBS访谈社会系列] PBS高端访谈:7.1级地震检测墨西哥的应急反应
In another major story today: An earthquake shook Central Mexico, knocking down buildings and killing at least 61 people.2017-09-20 编辑:max
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[PBS访谈社会系列] PBS高端访谈:为什么墨西哥城易受地震的影响?
Yesterday's earthquake in Mexico was the second in less than two weeks and brought back memories of the terrible tremor that hit 30 years to the day yesterday.2017-09-21 编辑:max