shizen enerugiidattara
1. If/when natural energy; If it were natural energy
Noun
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1. If/when natural energy; If it were natural energy
1. if it's the case
1. nature; the natural world
1. nature; Mother Nature
1. natural environment; (the) environment
1. nature park; natural park
1. unnatural; artificial
1. energy conservation; economical use of energy
1. energy