Cloudy day when it will open all the Windows absorb light, make the room bright, sunny days to collect solar energy, provide energy for the entire house.

阴天时它会打开所有窗户吸收光线，让房间明亮，晴天时能收集太阳能，为整栋房子提供能量。

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Within it, photosynthetic reaction-centres collect solar energy to drive the transformation of water and carbon dioxide in the air into sugars that nourish and build the plant.

在它的内部，光合反应中心收集太阳能，驱动水和空气中的二氧化碳形成糖，滋润并造就了我们的星球。

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These functional art structures would be partially covered with photovoltaic films that collect solar energy and convert it into electricity, for the communities in which they are built.

功能性的艺术结构，将部分涉及光伏电影收集太阳能，并转换成电能，为所在社区的建立。

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We have 191 million buildings in the EU. The mission now is to convert the entire building stock of Europe to partial green power plants that can collect solar energy on the roofs, wind energy off the sides of the building, geothermal energy from the ground below the building, biomass energy from the conversion of garbage in the building, etc.

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You are referring of coarse to PV(photo voltaic) however, electricity is not the only way to collect and use solar energy.

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Papa Mau faced its own challenges, including long stretches of cloudy days that made it difficult for its two solar panels to collect enough energy to power its sensor arrays.

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