好词典

circuit

UK //ˈsɜː.kɪt//US //ˈsɝː.kɪt//

词源

源自拉丁语 'circuitus'(意为'环绕'),通过古法语 'circuit' 进入英语,最初指'环绕的路径'。

noun

❶ 指电流经过的闭合路径,由导线、电源和电器元件组成,用于传输电能或信号。

“The electrician checked the circuit for any faults.”

(电工检查了电路是否有故障。)

“A short circuit caused the power outage.”

(短路导致了停电。)

❶ 指固定的巡回路线或区域,常用于体育比赛、表演或商业活动。

“The racing car completed three laps of the circuit.”

(赛车完成了三圈赛道的比赛。)

“The comedian is touring the comedy circuit.”

(这位喜剧演员正在喜剧巡回演出。)

同义词:loop, track, route, network, path

verb

❶ 指沿着固定路线移动或绕行,通常用于描述人或交通工具的移动。

“The bus circuits the downtown area every hour.”

(这辆公交车每小时绕行市中心一圈。)

“Birds circuit the lake before landing.”

(鸟儿在降落前绕着湖飞行。)

同义词:circle, orbit, patrol, go around

常见短语

closed circuit — 指电流或信号在一个封闭系统中循环,也用于描述闭路电视等监控系统。

“The building is monitored by closed-circuit cameras.”

(这栋大楼由闭路电视摄像头监控。)

circuit training — 一种健身训练方法,参与者依次完成一系列不同的锻炼项目,形成循环训练。

“She does circuit training three times a week to stay fit.”

(她每周进行三次循环训练以保持健康。)