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葉落罒無痕
风能: 1. wind energy2. wind energy source水能: [ shuǐ néng ] 1. hydraulic power2. hydroenergy电能: [ diàn néng ] 1. electrical energy2. electric energy
立志做渔婆
wind powerhydro powerelectric power
coloredglaze
hydropower wind power solar energy biomass energy(biagas) tidal energy
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