Nihongo
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Word · 単語
energy conservation
energy conservation · economical use of energy · energy-saving
JLPT
strokes
#18926
frequency
Not started
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Mastered counts as known everywhere (frontier, map, extension) but never appears in the quiz again. New wipes the review history for this item.

· examples

  • A national campaign for energy saving is underway.

  • The third is the preservation of environment. In this case, the conservation of energy and resources is needed.

Kanji used