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

She paid a circular visit among her relation.
她逐一拜访她的亲友。
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。
The new device emits a powerful circular column of light.
新设备发出明亮的圆形光柱。
Cover each part of the body with long sweeping strokes or circular motions
对全身每个部位画长弧线轻抚或做圆圈状按摩。
These tubes are not necessarily of circular cross-section.
这些毛细管不一定具有圆形断面。
This method can be used to other problems of flows around circular cylinder.
该方法也可用于其他圆柱绕流问题。
A circular to this effect will be issued in the next few weeks
接下来的几周内将发布一份大意如此的通告。
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。
The full moon has a circular shape.
满月时月亮是圆形的。
We have already worked out the conditions for a circular orbit.
我们已经算出了圆轨道的条件。