flat earth 是什么?

flat earth 是什么? Twin and Earth Flat Cable 6242y Ydyp 是什么电缆? flat-earth什么意思 Flat Earth Society 歌词 believing the earth to be flat,many feared that 中to be flat在句中作什么成分 以及to be用法是什么? flat income tax是什么? flat是什么车 long ago people b___ that the earth was flat flat screen是什么 东西呀 Brno Flat Chair是什么东西? flat flat flat flat Flat flat 英语翻译If we imagine a flat plane with the sun in the center and the planet revolving around it,the Earth slowly moves in and out of the flat plane by a few degrees,repeating the cycle every 100000years.还有这句话中FLAT PLANE是什么东 应该说Used it to be thought that the earth was flat吧答案选Used it be thought that the earth was flat觉得不大对劲儿