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[2014年7月VOA常速英语] VOA常速新闻附字幕:科学家发现最"黑"物质
Of all the black things in the universe only the infamous "black holes" are so black that not even a tiny amount of light can bounce back.2014-07-22 编辑:Sunny
Severity: Notice
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Filename: libraries/Cache_file.php
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Severity: Warning
Message: Memcache::connect(): Can't connect to 127.0.0.1:11211, Connection refused (111)
Filename: libraries/Cache_file.php
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2014-07-22 编辑:Sunny