circular

英 [ˈsɜːkjələ(r)]

美 [ˈsɜːrkjələr]

adj. 圆形的; 环形的; 圆的; 环行的; 绕圈的; 循环论证的(以一种观点证明另一观点，接着再用后一种观点反过来去证明前一观点)
n. (同时送达很多人的)印刷信函(或通知、广告)

复数：circulars　

Collins.2 / BNC.4711 / COCA.6749

牛津词典

adj.

圆形的；环形的；圆的
shaped like a circle; round
1. a circular building
  圆形建筑物
环行的；绕圈的
moving around in a circle
1. a circular tour of the city
  环城游览
循环论证的（以一种观点证明另一观点，接着再用后一种观点反过来去证明前一观点）
using an idea or a statement to prove sth which is then used to prove the idea or statement at the beginning
大量送发的；传阅的
sent to a large number of people

noun

（同时送达很多人的）印刷信函（或通知、广告）
a printed letter, notice or advertisement that is sent to a large number of people at the same time

See also:...a circular hole twelve feet wide and two feet deep...Place your hands on your shoulders and move your elbows up, back, and down, in a circular motion.semi-circular
ADJ (旅程或路线)环行的，巡回的
Acircularjourney or route is one in which you go to a place and return by a different route.
1. Both sides of the river can be explored on this circular walk.
  沿着这条环行线路走一圈，河的两边都可以看到。
(论证或理论)循环论证的
Acircularargument or theory is not valid because it uses a statement to prove something which is then used to prove the statement.
N-COUNT (同时发送给很多人的)广告印刷品，通告
Acircularis an official letter or advertisement that is sent to a large number of people at the same time.
1. The proposal has been widely publicised in BBC-TV press information circulars sent to 1,800 newspapers.
  在英国广播公司电视台发送给1,800家报社的新闻通报中，这项提议得到了广泛的宣传。

noun

an advertisement (usually printed on a page or in a leaflet) intended for wide distribution
1. he mailed the circular to all subscribers
Synonym:handbillbillbroadsidebroadsheetflierflyerthrowaway

adj

Both sides of the river can be explored on this circular walk.
沿着这条环行线路走一圈，河的两边都可以看到。
These tubes are not necessarily of circular cross-section.
这些毛细管不一定具有圆形断面。
We can compute the circular area with radius.
我们能用半径计算出圆的面积。
Did you see the circular from the government about tax increase?
你看到政府发布的关于提高税收的通告了吗？
The work interposes a glass plate between two large circular mirrors.
该艺术品在两面圆形大镜子中间插入一块玻璃板。
Place your hands on your shoulders and move your elbows up, back, and down, in a circular motion.
双手置于肩上，肘部向上、向后、向下做圆圈运动。
The nipple is surrounded by pigmented circular skin called the areola.
乳头周围颜色较深的部位称为乳晕。
Did you see that circular from the government about their attack on prices?
你看到政府关于解决物价问题的通报了吗？
On the basis of the unified strength theory, a stability analysis of a circular shaft was carried out.
采用统一强度理论对岩体中圆形竖井的稳定性进行了研究。
A new filter in which both circular and linear birefringence are utilized is proposed and theoretically analyzed.
利用圆双折射和线双折射材料设计了一种滤色器，并对它的透射特征进行了理论分析。