Most likely this was from cryovolcanoes, cold volcanism; that is, volcanoes where water and ammonia take the place of lava there.

很可能是来自低温——作用；也即由水和氨组成而非熔喷涌的。

These same volcanic forces also created Ethiopia's highlands.

这相同的作用 也造就埃塞俄比亚高原。

Volcanism, the name givento volcanic processes, really has shaped the world.

作用（我们对活动过程的命名）塑造整个世界。

The high level of radiation in the rocks implies that they are volcanic in origin.

【imply】这内的高辐射显示它们是作用形成的。

Some of these actually triggered volcanism, which created these huge pools of molten rock on the surface, which then solidified to form a rock called basalt, which are the dark splodges that we can see on the moon today.

一撞击引发作用，在月球表面形成巨大的熔池，然后固化形成玄武，也就是我们今天在月球上看到的黑色斑点。