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cuban prime 立方质数...
Grenada Prime Minister Tillman Thomas "The Cuban issue comes up all the time, and we see that President Obama has taken some positive steps.
VOA : standard.2009.04.19
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。