n.

1. 卷毛，卷发[C]
2. 螺旋状物[C]
3. 卷曲[C][U]

vt.

1. 使（头发）卷曲
   The hairdresser curled her hair.

   理发师将她的头发卷起来。

2. （藤蔓等）缠绕；使卷起来[（+up）]

vi.

1. 卷曲
   Her hair curls naturally.

   她的头发自然卷曲。

2. （烟）缭绕

v.

1. form or cause to form a curved or spiral shape.
   ▸ (curl up) sit or lie with the knees drawn up.
2. move or cause to move in a spiral or curved course.
3. (in weight training) lift (a weight) using only the hands, wrists, and forearms.
4. play at the game of curling.

n.

1. a thing forming a spiral or coil, especially a lock of hair.
   ▸the tendency of hair to form curls.
2. a weightlifting exercise involving movement of only the hands, wrists, and forearms.
3. Mathematics  a function giving a measure of the rotation of a vector field.