The door burst open.

门突然开了。

The bag burst open and everything fell out.

袋子爆开了，里边的东西都散落出来。

The door burst open and an angry young nurse appeared.

门突然开了，一个生气的年轻护士出现了。

These are volcanoes so explosive that they burst open in a single big crack.

这些火山爆炸性极强，爆发瞬间出现了一道大裂缝。

These volcanoes are so explosive that they burst open in a single big crack, leaving behind a vast hole, the caldera.

这些火山具有极强的爆发性，以至于在它们从一条大的裂缝中喷涌而出，留下了一个巨大的洞，也就是火山口。