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existence; being; life; survival
厳しい環境でも生存できる生物が存在する。
There are organisms that can survive in harsh environments.
生存競争に勝つためには適応力が必要だろう。
Adaptability is probably needed to win the competition for survival.
事故から五日後に生存者が発見されたそうだ。
I heard survivors were found five days after the accident.