• n. [电子] 电路，回路；巡回；一圈；环道
• vi. 环行
• vt. 绕回…环行

circle,圈，-it,走，词源同ion,exit,itinerary.

circuit (n.)

late 14c., "a going around; a line going around," from Old French circuit (14c.) "a circuit; a journey (around something)," from Latin circuitus "a going around," from stem of circuire, circumire "go around," from circum "round" (see circum-) + ire "to go" (see ion). Electrical sense is from 1746. Of judicial assignments, from 1570s; of venues for itinerant entertainers, from 1834. Circuit breaker is recorded from 1874. Related: Circuital.

circuit (v.)

"to go around," early 15c., from circuit (n.). Related: Circuited; circuiting.

1. He was just starting to become known on the cabaret circuit.

他在卡巴莱歌舞表演圈中刚刚开始有点名气。

来自柯林斯例句

2. There is an internal circuit breaker to protect the instrument from overload.

内置有断路器，防止设备过载。

来自柯林斯例句

3. There's a closed-circuit television camera in the reception area.

接待处有一个闭路电视摄像头。

来自柯林斯例句

4. The approach was intended to short-circuit normal complaints procedures.

这种方法旨在避开正常的投诉程序。

来自柯林斯例句

5. The fire was started by an electrical short-circuit.

火灾是由电线短路引发的。

来自柯林斯例句