circuit基本解释
n,[电子]电路，回路；巡回；一圈；环道,同近
We did a circuit of the old city..我们绕着老城走了一圈。
[电子] 电路，回路；巡回；一圈；环道英释nna path that forms a circle around an area, or a journey along this path
control circuit,控制电路.短语
