whorl

1. N-COUNT A whorl is a spiral shape, such as the pattern on the tips of your fingers. 螺旋; (指纹等的)涡[文学性]

He stared at the whorls and lines of her fingertips. 他盯着看她指尖上的涡纹和流纹。

...dense whorls of red-purple flowers. ...层层叠叠的紫红色花朵。