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标题: VOA慢速英语2014.04.01 [打印本页]

作者: Rebecca949    时间: 2014-4-1 10:46     标题: VOA慢速英语2014.04.01

[audio]http://sound.yywz123.com/tingbbs/voa/voa20140401.mp3[/audio]




A substance often found in soft drinks is caffeine, which helps to make people feel energized.软饮料中经常发现的一种物质是咖啡因,它能使人感觉精力充沛.
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作者: jessica-tang    时间: 2014-4-8 12:30

doctor sl suggest that coffeine could be causing




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