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[VOA慢速-时事新闻] VOA慢速英语(翻译+字幕+讲解):蜜蜂正在消失 无人知其缘由
昆虫学家——研究昆虫的科学家们——与其他科学家合作研究为什么美国的蜂巢在慢慢消失。他们将这一现象称之为“蜂群崩溃综合症”。2015-08-24 编辑:clover
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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2015-08-24 编辑:clover