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n. 圆, 圆形物, 巡回, 循环, 一轮, 一回合, 一局, 范围, 轮唱a. 圆的, 球形的, 丰满的, 肥胖的, 完全的, 大概的, 完美的, 圆润的prep. 围着, 附近, 绕过, 在...周围ad. 围绕着, 在周围, 迂回地, 挨个, 朝反方向vt. 弄圆, 使成圆形, 绕行, 完成, 围捕, 把...四舍五入vi. 变圆, 发胖, 环行, 拐弯, 进展【医】 圆形的【经】 大概的, 迂回的, 来回的相关词组: show sb round all round ask sb round cut round in the round out of round right round right round here turn right round round about round and round turn round and round round in round to taking it all round the clock round round the clock work the clock round the other way round win sb round go a long way round

• 介词about, round, around的区别
  
  介词about, round, around的区别
  
  1. 表示“在……周围”，三者常可互换。如：
  They sat about [round, around] the fire. 他们围火而坐。
  注：在现代英语中，about 用于这种情况已不多见。
  2. 表示“到处”，三者常可互换。如：
  He travelled about [round, around] the world. 他周游了全世界。
  3. 用在数字之前表示“大约”，一般用 about 或 around。如：
  It costs about [around] ten dollars. 它大约要花 10 美元。
  There are about [around] 30 bookstores in the city. 这座城里大约有 30 家书店。
  注：在英国英语中，在表示时间的词组里也可用 round。如：
  He arrived about [round, around] 5 o’clock. 他是大约5点钟到的。
  I’ll be back about [r查看详情更多>>

round/square/rectangle/wheel/ring/roundabout/around/surround/surrounding/environment/dimension/3D
记忆：
1. round [ raund ]　adj. 圆的, 球形的 The child's round face reminded him of his young brother. 孩子圆圆的脸蛋使他想起了他的弟弟。
2. square [ skwZE ]　adj. 正方形的, 四方的, 直角的 They have just completed a square house. 他们刚刚修完了一座方形的房子。
3. rectangle [ 5rektAN^l]　rect(直的)-angle(角) n. 长方形, 矩形 The surface of our desk is a rectangle. 我们的课桌表面是长方形的。
4. oval [ 5EuvEl]　　adj. 卵形的, 椭圆的 The egg is usually oval. 蛋通常是椭圆形的。
5. wheel [ wi:l, hw- ]　n. 轮, 车轮, 轮子 The car carries two spare wheels. 车子带有两个备用轮子。
6. ring [ riN ]　　n. 环, 环形物 He bought her a diamond ring to prove his love. 他为她买了一枚钻戒来证明他的爱。
7. roundabout [ 5raundEbaut ]　adj. 迂回的, 转弯抹角的 All the cars took a roundabout route to the final line during the race. 在比赛中所有的赛车都迂回行驶到终点线。
8. around [ E5raund ]　　adv. 周围, 大约　prep. 在. . . 周围, 四处 There are around 40 cars participating the race. 大约有四十辆车参加了比赛。
9. surround [ sE5raund ]　sur-round vt. 包围　v. 围绕 The winner was surrounded with the reporters. 胜者被记者包围起来了。
10. surroundings [sE5raJndINz] n. 环境　　When the surroundings are polluted, no one can live a healthy life. 如果环境被污染了，没有人都过上健康的生活。
11. environment [ in5vaiErEnmEnt ] environ-ment n. 环境 Every one of us must have a sense of environment. 我们每个人都必须有环境意识。
12. dimension [ di5menFEn ] A measure of spatial extent, especially width, height, or length n. 尺度, 维(数), 度(数), 元 Flash can help design wonderful cartoons of two dimensions Flash软件有助于设计精彩的平面动画。
13. 3D 三维，立体 3D cartoons are developing rapidly. 三维动画发展得很快。
另类阅读：
The waste wheels from the cars and broken rings that ladies threw around will be carried across the square to the surrounding hills. It will damage the environment there. I think we’d better dig a deep round hole and bury them.

轻松一刻：
Son: Mum, when do I have my birthday?
Mum: June 15.
Son: How about you?
Mum: June 10.
Son: Then, five days later you gave birth to me?