n.[C]

1. 环道；一圈，一周；环行
   It takes a year for the earth to make a circuit of the sun.

   地球绕太阳一周要一年时间。

2. 巡回审判（传道、讲学等）；巡回区；巡回路线
3. 【电】电路；回路；线路图
   A short circuit put the machine out of action.

   短路使机器停转。

4. 同业性的联合组织；轮回上演（或上映）的若干戏院（或电影院）
5. （运动团、队等的）同盟，联合会

vt.

1. 绕……环行

vi.

1. 环行，绕行
   The moon circuits round the earth.

   月亮绕地球环行。

n.

1. a roughly circular line, route, or movement.
2. Brit. a track used for motor racing, horse racing, or athletics.
3. a system of electrical conductors and components forming a complete path around which an electric current can flow.
4. an established series of sporting events or entertainments.
   ▸a series of athletic exercises performed in one training session.
   ▸a regular journey by a judge around a district to hear court cases.
5. a group of Methodist Churches forming an administrative unit.

v.