VOA慢速英语2016.08.09
[audio]http://sound.yywz123.com/tingbbs/voa/voa20160809.mp3[/audio]The American space agency, NASA says it has again made contact with a spacecraft studying the sun and space weather.______________________________.______________________________。两年前，美国国家航空航天局和日地关系天文台（也称作STEREO-B）失去联系。
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