重点讲解：
1. be surrounded by 围绕；环绕；
例句：The old manwas surrounded bya troop of children.
老人被一群孩子围住了。
2. all the time 一直；始终；
例句：She seemed preoccupiedall the timeI was talking to her.
我跟她讲话时她始终显得心事重重。
3. get used to sth./doing sth. 开始习惯于；
例句：You'd betterget used todoing as you're told.
你最好习惯于照吩咐的去做。
4. be used to sth./doing sth. 习惯于；
例句：Sheisnotused toliving in a cold climate.
她不习惯寒带生活。
5. oddly enough 说也奇怪；奇怪的是；
例句：Oddly enough, he didn't seem to remember his own birthday.
说也奇怪,他似乎不记得自己的生日。
6. be good at 擅长的；精通的；能干的；
例句：Heis good atteaching his students to reason.
他擅于教导学生如何推理。
