Related words
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Related words
|
| 適者生存(survival of the fittest) > |
| 環境汚染(environmental pollution) > |
| 焼却(burn up) > |
| 再生紙(recycled paper) > |
| 絶滅(extermination) > |
| エコロジー(ecology) > |
| 核廃棄物(nuclear waste) > |