单词:veigaiids
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BOB DOUGHTY:This is SCIENCE IN THE NEWS, in VOA Special English. Im Bob Doughty. FAITH LAPIDUS: And Im Faith Lapidus. Today, we tell about efforts by American scientists to communicate with dolphins. We also tell about applications programs for compu
发表于:2019-01-12 / 阅读(46) / 评论(0)
2011年VOA慢速英语(三)月