New Words：

scientific [.saiən'tifik] adj. 科学的

Sample Sentences：

We all support his scientific research.
She devoted all her life to scientific work.
He is proud of his great success in scientific researches.

devote [di'vəut] vt. 致力于；奉献给；致力于；献(身)；投入(时间、精力等)；

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