石头有着明显的被水冲蚀的痕迹。
这些石头有着明显的被水冲蚀的痕迹。
行星上深的山谷类似地球的美国大峡谷,被认为是由水冲蚀形成的。
The planet has deep valleys similar to Earth's own Grand Canyon, which are thought to have been carved by rushing water.
行星上深的山谷类似地球的美国大峡谷,被认为是由水冲蚀形成的。
The planet has deep valleys similar to Earth's own Grand Canyon, which are thought to have been carved by rushing water.
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