vt.

1. 卷，盘绕；把……卷成圈[（+up）]
   Laura coiled her hair at the back of her head.

   劳拉把头发盘在脑后。

vi.

1. 成圈状；盘绕[Q]
   Thick smoke coiled up over the fields.

   浓烟在田野上盘旋上升。

n.[C]

1. （一）卷，（一）圈；（一）匝
   A couple of coils of rope still lay on the dock.

   两卷绳索仍躺在码头上。

2. 【电】线圈，绕组
3. 子宫节育环

n.

1. a length of something wound in a joined sequence of concentric rings.
2. an intrauterine contraceptive device in the form of a coil.
3. an electrical device consisting of a coiled wire, for converting the level of a voltage, producing a magnetic field, or adding inductance to a circuit.

v.

n.