单词详解

  n.

A.环道，一圈，一周，环行 [C] (line, route, or journey round a place)

It takes 2 minutes for me to run a circuit of the playground.我要两分钟才能绕操场跑一圈。

B.电路，回路，线路[C] (complete path along which an electric current flows)

A short circuit stopped the machine working.短路使机器停止工作。

相关单词

复数：circuits