When a large object impacts the Earth, it makes a crater.當(dāng)巨大物體撞擊地球時(shí)，就會(huì)產(chǎn)生凹坑。With a telescope you can see the huge crater of Ve - suvius.用望遠(yuǎn)鏡你能看到巨大的維蘇威火山口.Lava boiled up from the crater of the volcano.熔巖從火山口里滾滾噴出....
With a telescope you can see the huge crater of Ve -suvius.用望遠(yuǎn)鏡你能看到巨大的維蘇威火山口。Mauna Loa awoke from a 25 year silence in July 1975, filling its summit - pit crater with lava.莫納羅亞火山在1975年7月又從沉睡了25年的狀態(tài)下蘇醒過來了, 山頂上的火山口充滿了熔巖.Gu...