I don't know if you know how a spark plug works, but for the electrical current to fly into operation in a spark plug, the two points of contact have to be gapped.

我不知道你们是否知道,火花塞是怎样工作的，在电流通入火花塞中使它运转之前，两个接触点之间需要有空隙。

耶鲁公开课 - 文学理论导论课程节选

"The whole line was LSU fans buying four beers at a time, " reports Judson Sanders, a 31-year-old Tigers fan who works in electrical contracting.

WSJ: College Football: You Can't Spell 'Lush' Without L-S-U

The method works because the electrical field polarises the electric charge on water molecules in the air around the icy tip and then draws them in electrostatically.

ECONOMIST: Atmospheric science

The latch works by running an electrical current down a signal wire, through two switches.

ECONOMIST: A molecular replacement for the transistor?