Under the water, volcanoes continued to erupt, sending up magma and forming mountains of basalt.
在水下，火山依旧持续喷发，向上喷射岩浆并形成了一座座玄武岩山峰。
2
But under the water, volcanoes continued to erupt, sending up magma and forming mountains of basalt.
但是在水下，火山依旧喷发，滚滚岩浆形成了玄武岩的山脉。
3
The marginal sea crust is another kind of oceanic crust, which was formed after the basaltmagma engulfed and devoured the tattered continental margin crust.