VOA慢速英语2013.09.09
[audio]http://sound.yywz123.com/tingbbs/voa/voa20130909.mp3[/audio]In addition to science lessons, the open-air exhibit can provide contact with nature in a way that some city children rarely get.除了科学课程,露天展览还可以为让城市儿童提供一种接触到自然的难得机会.
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