Tony didn't notice because he was too engrossed in his work.托尼因为太专注于自己的工作而毫未察觉。He seemed completely engrossed in his book.他好像完全被他的那本书迷住了。The student is engrossed in his book.这名学生正在专心致志地看书.She was engrossed in conver...
Tony didn't notice because he was too engrossed in his work.托尼因为太专注于自己的工作而毫未察觉。She was engrossed in conversation.她聚精会神地谈话。The student is engrossed in his book.这名学生正在专心致志地看书....
地衣是一类独特的生物有机体,其体内合成了多种特殊的次生代谢产物,主要为缩酚酸、缩酚酸环醚 、 缩酚酮、二苯并呋喃等类化合物.A lot of secondary metabolites such and were produced by lichens, a class of unique organisms....
I don't try to memorize speeches word for word.我不会试图一字不落地记住讲话要说的内容。Official speeches in recent days have been larded with promises of democracy.近日官方在讲话中满口对民主的承诺。His forte is after - dinner speeches.他的特长是饭后演说.He has ...