geyser造句
Thegeyserwillspouteverythirtyminutes.Ageyserisanintermittentlyeruptivehotspring.Ontoday'sMomentofScience,we'lllearnhowageyserworks.Stepfour:thegeyserisquiteimpressiveandthecurrentmeasuredrecordis21f...
Thegeyserwillspouteverythirtyminutes.Ageyserisanintermittentlyeruptivehotspring.Ontoday'sMomentofScience,we'lllearnhowageyserworks.Stepfour:thegeyserisquiteimpressiveandthecurrentmeasuredrecordis21f...