英语自学网 发表于 2016-8-2 13:20:47

【TOEFL核心词汇】No.70 种类

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只听写例句。前面的单词不用听写。http://t1.g.hjfile.cn/listen/201212/20121213053434292805.mp3Moreover, ants specializing in particular labor categories typically constitute a caste specialized by age or body form or both.
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