书中介绍了冰山、冰冠和冰川的特征、大小和运动情况。

Describes the characteristics, size, and movement of icebergs, ice caps, and glaciers.

youdao

书中介绍了冰山、冰冠和冰川的特征、大小和运动情况。

Describes the characteristics, size, and movement of icebergs, ice caps, and glaciers.

youdao