Most electrical sockets abroad are for two-pinned plugs.

国外的电源插孔主要是两项的。

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We knocked on the walls and spoke to our neighbors through the electrical sockets.

我们在墙上敲打，透过插座和隔壁牢房的人说话。

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However, as an analogy: extension points are like electrical sockets and extensions are like plugs.

但是，打个比方的话：所谓的扩展点就像是一个用电的插座而扩展就是那个插头。

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Energy can leak through gaps around doors, around electrical sockets, appliances, sinks, even lighting.

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The campaign will urge people to check electrical appliances and sockets at home, install and check smoke alarms, plan an escape route in the event of a fire and not attempt to tackle the fire.

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