English: A volcano is a mountain with hot rock inside it.

Chinese: 火山是一种里面有热岩石的山。


English: Sometimes a volcano is quiet for many years.

Chinese: 有时候火山会安静很多年。


English: Then one day, it can suddenly erupt.

Chinese: 然后有一天，它会突然喷发。


English: Hot rock, ash, and gas can come out of the top.

Chinese: 热岩石、火山灰和气体会从顶部喷出来。


English: Lava can move slowly down the mountain.

Chinese: 熔岩可以慢慢地沿着山流下来。


English: Volcanoes can look beautiful, but they can also be dangerous.

Chinese: 火山看起来很美，但也可能很危险。


English: People who live nearby must be careful.

Chinese: 住在附近的人必须小心。


English: Scientists watch volcanoes for signs of danger.

Chinese: 科学家会观察火山的危险迹象。


English: They study smoke, heat, and small earthquakes.

Chinese: 他们研究烟、热量和小地震。


English: Some volcanoes are on islands in the sea.

Chinese: 有些火山在海上的岛屿上。


English: Some famous mountains are really volcanoes.

Chinese: 有些著名的山其实就是火山。


English: After an eruption, the land can look very different.

Chinese: 喷发后，土地看起来会很不一样。


English: Ash can cover roads, houses, and trees.

Chinese: 火山灰会覆盖道路、房屋和树木。


English: But volcanic soil can also be good for plants later.

Chinese: 但是火山土后来也可能对植物有好处。


English: I think volcanoes look powerful and amazing.

Chinese: 我觉得火山看起来强大又惊人。


English: I would like to see a volcano from a safe place.

Chinese: 我想在安全的地方看火山。


English: I do not want to be near a volcano during an eruption.

Chinese: 我可不想在火山喷发时待在附近。


English: I think lava sounds both beautiful and dangerous.

Chinese: 我觉得熔岩听起来既美丽又危险。


English: A volcano can stay quiet for a long time.

Chinese: 火山可以安静很长时间。


English: Then it may erupt very quickly.

Chinese: 然后它可能会很快喷发。


English: Scientists help people stay safe.

Chinese: 科学家帮助人们保持安全。


English: What comes out of a volcano during an eruption?

Chinese: 火山喷发时会喷出什么？


English: Hot rock, ash, and gas come out.

Chinese: 热岩石、火山灰和气体会喷出来。


English: What is hot rock from a volcano called?

Chinese: 火山喷出的热岩石叫什么？


English: Why do scientists study volcanoes?

Chinese: 为什么科学家研究火山？


English: They study volcanoes to help people stay safe.

Chinese: 他们研究火山来帮助人们保持安全。


English: Yes, but only from a safe place.

Chinese: 想，但只能在安全的地方看。