常見例句The important thing, scientifically, is having a tool to trace molecular evolution, which Schweitzer said is the key to the tree of life.就科學(xué)而言，重要的是擁有了一種追蹤分子演化的工具，史懷哲說，這是生命之樹的關(guān)鍵。 返回 Albert Schweitzer