名詞 electric circuit:

1. an electrical device that provides a path for electrical current to flow
   同義詞：circuit, electrical circuit

1. Current, electromotive force, or power supplied to an electric circuit, network, or device.
   電流，電能，電力供給電路、網絡或設備的電流、電動力量或電力
2. A device that periodically and automatically opens and closes an electric circuit, producing pulses.
   斷續(xù)器一種階段性的能自動打開及關閉電路并產生脈沖的儀器