He was sitting on the deck disentangling a coil of rope.

他坐在甲板上理一捆绳索。

《牛津词典》

The heated gas is piped through a coil surrounded by water.

受热气体通过水中的一根螺旋管输送。

《柯林斯英汉双解大词典》

Does Mother imagine that she is going to darn all those stockings knotted up on the quilt like a coil of snakes?

妈妈想没想过，她会去缝补那些像蛇一样缠绕在被子上的长袜呢？

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For example, one of the experiments we do is measure the magnetic field of current coil, and after we do the experiment, we all have a passive visualization that shows the same experimental set-up, except we add to that.

比如，我们做的一个实验就是,测量电线圈的磁场，在我们做完实验之后，我们都感受到了一个直观化的过程,它展现了同样的实验过程，只是那是我们加的。

麻省理工公开课 - 媒体、教育、市场课程节选

One new technique being used by some neuroeconomists is transcranial magnetic stimulation, in which a coil held next to the head issues a low-level magnetic pulse that temporarily disrupts activity in a certain part of the brain, to see if that changes the subject's preferences for example, for a particular food and how much he is willing to pay for it.

ECONOMIST: Neuroeconomics: Do economists need brains? | The

At first I thought this was cool, until I watched the first pot and remembered how simple a coffee maker is: a heating coil and a pump.

FORBES: Hands-On: Bodum's 'Pour-Over' Coffee Maker

By holding a magnetic coil over somebody's skull, a researcher can affect the activity of the piece of cortex beneath, while causing no pain to the subject.

ECONOMIST: The ethics of brain science