Related words
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Related words
|
再生紙(recycled paper) > |
大気汚染(air pollution) > |
環境に優しい(eco-friendly) > |
温室効果ガス(greenhouse effect) > |
リサイクル(recycling) > |
土壌汚染(soil pollution) > |
適者生存(survival of the fittest) > |