关于geyser的百科

• geyser造句怎么写

• Thegeyserwillspouteverythirtyminutes.Ageyserisanintermittentlyeruptivehotspring.Ontoday'sMomentofScience,we'lllearnhowageyserworks.Stepfour:thegeyserisquiteimpressiveandthecurrentmeasuredrecordis21feet!TouristslookonasOldFaithful,YellowstoneNationa...
• 2017-03-3017451