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[VOA慢速-时事新闻] VOA慢速英语(翻译+字幕+讲解):世界最大飞机首次亮相
世界最大飞机首次亮相在美国记者面前。这架名为同温层发射(Stratolaunch)的飞机即将在数周后开启测试阶段。同温层发射重量达近22.7千克。2017-06-03 编辑:emma
Severity: Notice
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Filename: libraries/Cache_file.php
Line Number: 28
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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2017-06-03 编辑:emma