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小玛丽:我在历史书中发现,克里斯托·哥伦布这个名字后老是有(1451-1560)着几个数字,老师,请您给解释一下好吗?小罗斯:老师,我能告诉她吗?那是哥伦布的电话号码。
Little Mary: I found in history books that there is always a number (1451-1560) after the name of Christopher Columbus. Teacher, would you please explain it? Little Rose: Teacher, can I tell her Is that Columbus’s phone number?