New Words：

engross [ɪnˈɡroʊs] v. 使全神贯注
engrossed [ɪnˈɡroʊst] adj. 全神贯注的;聚精会神的;专心致志的

Sample Sentences：

The student is engrossed in his book.
I go into the bookshop and engross myself in cookbooks.
He was so engrossed in his own problems that he did not notice the cakes were burning.

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