Haveyoueverwondered的精选

问题详情：Haveyoueverwondered?（1）doairplanestakelongertoflywestthaneast?Itcantakefivehourstogowest-eastfromNewYork(NY)toLondonbutsevenhourstotraveleast-westfromLondontoNY.Thereasonforthedifferenceisanatmo...

问题详情： Haveyoueverwondered aboutthestars?Insomeways,starsarelikepeople.Theywereborn(出生).Theygrowoldandtheydie.Astarwasbornfromdust(灰尘)andgas(气体).Slowlythedustandgasmakeaball.Theballgetsveryh...