round

round /raund/ I. adj.1.圆的，圆形的：She has a round face. 她有一张圆圆的脸。 2.回旋的，往返的：The round trip cost us twenty dollars. 往返一趟花了我们20美元。3.大概的，约略的（用十、百、千等一类整数表示）a round guess大致不差的猜测 500 is a round number for 498 or 503等。500是498或503等的近似百位整数。‖II. adv. 循环地，围绕地，四周：turn round and round 不停地转动 He looked round, but could see nobody.他环顾四周，但谁也没看见。get around/round （见get条）‖III. prep. 在……周围，到处：There are nine planets going round the sun. 有九大行星围绕着太阳转。He looked round the room.他环顾全室。 all round 周围，遍及四周：There were people all round him. 他周围都是人。‖IV. vt. & vi.1. 拐(弯)；使成圆形：to round the hill (the corner) 绕过山(拐角)；to round our lips 把嘴唇嘬成圆形 2. 用于习语和短语动词 round off 使圆或光滑；使完善：He used a special machine to round off the corners of the old table.他用一种特制的机器把这张旧桌子的拐角刨圆了。To round off her education, her father sent her to a Swiss finishing school.为完善她的教育，父亲把她送到一家瑞士女子精修学校。round the clock 24小时连续（见clock条）round up（使）聚集：（使）成整数：I asked Mum to round up the kids while I got our things together.我要妈妈把孩子们喊到一起而我负责收拾东西。It’s ￡19.50 but we’ll round that up to ￡20.00. 这是19.5英镑，但我们想聚到20英镑整数。‖V. n. (一)回合；(一)圈：give in at the fifth round 第五回合认输； make a round of the garden 绕花园一圈

［辨析］与approximately, about和roughly 辨见 approximately