around是副词跟介词词性。作副词时，它的意思是大约，周围，四周，围绕，环绕。例句：She looked at the papers around her.她看了看四周的文件。做介词时，它的意思是围绕，环绕，在那边，到那边，从那边，绕着。例句：The satellite revolves around the Earth once every hundred minutes.这颗人造卫星每100分钟围绕地球旋转一周。around作“大约”解时，主要用于数字前，有时也用于表示时间的短语前。例句：They were knocking around together for about ayear.他们交往大概有一年了。
around：英[əˈraʊnd]；美[əˈraʊnd]
adv.围绕；周围；大约；四周；环绕；到处；闲散地；出现；转弯
prep.围绕；环绕；在那边；到那边；从那边；绕着；同…一致；到处
1、around的基本意思是“在周围，在附近”“到处，四周”，指地理位置。
2、around作“大约”解时，主要用于数字前，有时也用于表示时间的短语前。
3、around作“恢复过来”解时主要用于健康状况或意识方面。
4、around常用在动词后面作状语，还可用作表语或置于名词后作定语。
5、around用作副词时没有比较级和更高级。
1、The story is built around a group of high school dropouts.
故事围绕着一群辍学的中学生展开。
2、The house is built around a central courtyard.
这房子是围绕着中央的庭院而建的。
3、We were shown around the school by one of the students.
我们由一名学生领着参观了学校。
4、Their family has always been well thought of around here.
他们家在这一带一直颇受敬重。
5、There must be a way around the problem.
肯定有解决这个问题的办法。
6、We're looking around for a house in this area.
我们正在这个地区四处找住房。
7、Digital television has been around for some time now.
数字电视已经面市一段时间了。
8、She took no interest in the people and things around her.
她对周围的人和事毫无兴趣。
9、Ensure there is a free flow of air around the machine.
要确保机器周围空气畅通。
10、I'll stay around in case you need me.
我就待在这儿，也许你用得着我。
11、You must know him─he's an institution around here!
你一定认识他——他是这一带的知名人士！
12、The team is built around a core group of players.
这个队是以几名骨干队员为核心构建的。
13、We were all running around trying to get ready in time.
我们东奔西跑，望能按时准备就绪。
14、It is difficult for young people to find jobs around here.
年轻人要在附近找到工作很难。
15、Turn around and let me look at your back.
转过身去让我看看你的后背。
16、Stick around;we'll need you to help us later.
别走开，过一会儿我们还需要你帮忙呢。
17、He could hear someone moving around in the room above.
他能听到楼上屋里有人走动。
18、A new satellite has been put into orbit around the earth.
一颗新的人造卫星被送上了环绕地球的轨道。
19、There was a tight group of people around the speaker.
演讲人周围严严实实地挤了一群人。
20、The cost would be somewhere around£1 500.
费用要在1500英镑上下。