- 问题详情:WhenmybrotherandIwerechildren,wespentafewweekseachsummerinthecountrysidewithouruncle.Hewasageologistandlovedtogoonlongwalkstofindstonestoaddtohiscollectionattheuniversity.Moreoftenthannot,wefollowedhim.Oneday,weleftearly,andthistime,ouruncleh...
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