Adjective:

1. producing or characterized by eruptions;

   "an eruptive disease"
   

2. produced by the action of fire or intense heat;

   "rocks formed by igneous agents"
   

3. actively spewing out lava;

   "a geyser is an intermittently eruptive hot spring"
   

explosiveadj.爆炸(性)的；引发争论的；大声的n.炸药

igneousadj.(指岩石)火成的；火的；似火的

1. A geyser is an intermittently eruptive hot spring.
   间歇泉是一种间歇喷发的温泉。