Take a rope, too, in case you fall into a crack hidden in the ice.
也带上一根绳子吧，以免失足跌入冰川隐藏的裂缝里。
The ground hidden design, when it fall to the ground, it take up little space.
藏地式设计，使该机器落地后与地面平齐，不占地面空间。
The ground hidden design, when it fall to the ground, it take up little space.
藏地式设计，使该机器落地后与地面平齐，不占地面空间。
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