dimple
noun /ˈdɪmpl/
  /ˈdɪmpl/
 - a small hollow place in the skin, especially in the face 酒窝;笑靥 - He has a little round dimple in one cheek.他的一个脸颊上有一个圆圆的小酒窝。 
- She had a dimple which appeared when she smiled.她一笑就现出酒窝。 
 
- He has a little round dimple in one cheek.
- any small hollow place in a surface浅凹;小凹;小坑 - a pane of glass with a dimple pattern带浅凹形图案的窗玻璃 
 
- a pane of glass with a dimple pattern
词源Middle English: of Germanic origin; related to German Tümpel ‘pond’.