与整个空间站紧固连接、在俄罗斯部分和美国部分连接处形成十字交叉状的是一个巨型的桁架结构，载有16块太阳能电池板，提供电力。
Bolted across the station, making a cross at the point where the Russian and us sections meet, is a huge truss that carries 16 solar panels to provide electrical power.
双臂指向天花板，十指交叉，掌心向下。
Point your arms toward the ceiling, fingers interlocked and palms facing down.
屋顶也被用来收集雨水、交叉通风和安置太阳能板。
The roof is also used to collect rainwater, cross ventilate the house and hosts solar panels.
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