0 shaped like a circle -- 圆形的，环形的
a circular flowerbed/tablecloth 圆形花坛／桌布
1 a letter or notice sent to a large number of people -- （同时发给很多人的）通知，通报，传单
Two further circulars issued recently have dealt with bus operation in pedestrian streets and with the traffic signs for reserved bus lanes.
Informal circulars of this kind are settled departmentally and do not require individual approval by myself.
Since then, the following seven circulars related to reorganisation of local government have been issued.
Any circulars distributed in excess of this quantity must be paid for by the recipient.
Final circulars will be issued as soon as comments received on these drafts have been considered.
Subsequent circulars reinforced this advice, confirming that the restraint required in 1975–76 would have to be continued in subsequent years.
To emphasise this, circulars will in future state that they may be freely reproduced by all those to whom they are addressed.
In the last 12 months 88 circulars covering administration, fraud and subsidy matters in respect of housing benefit have been issued.
