![Inthesummerof1978anEnglishfarmerwasdrivinghistractorth...]( "Inthesummerof1978anEnglishfarmerwasdrivinghistractorth...")
- 问题详情： Inthesummerof1978anEnglishfarmerwasdrivinghistractorthroughafieldofwheatwhenhediscoveredthatsomeofhiswheatwaslyingflatontheground.Theflattened(变平的)wheatformedacircleaboutsixmetersacross.Aroundthiscirclewerefoursmallercirclesofflattenedwh...
- 23693
中文谷