前景中的土韦四，清晰图像，显示了这个卫星“稀疏”的地形，其实这是带着明亮屏障的纵横交错的峡谷系统。

In the foreground, a sharp image of Dione reveals the moon's "wispy" terrain-actually a system of braided canyons with bright walls.

youdao

前景中的土韦四，清晰图像，显示了这个卫星“稀疏”的地形，其实这是带着明亮屏障的纵横交错的峡谷系统。

In the foreground, a sharp image of Dione reveals the moon's "wispy" terrain-actually a system of braided canyons with bright walls.

youdao