whorl

1. N-COUNT A whorl is a spiral shape, such as the pattern on the tips of your fingers. 螺旋; (指紋等的)渦[文學性]

He stared at the whorls and lines of her fingertips. 他盯著看她指尖上的渦紋和流紋。

...dense whorls of red-purple flowers. ...層層疊疊的紫紅色花朵。