英语自学网 发表于 2016-8-2 11:29:39

【TOEFL核心词汇】No.30 风险

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只听写例句。前面的单词不用听写。http://t1.g.hjfile.cn/listen/201212/201212050345332274196.mp3The birds on the edge are at greatest risk since predators find it easier to catch small birds perching at the margins of the roost.
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