sole          
 adjective [ before noun ] uk/səʊl/ us/soʊl/
C1 唯一的,单一的
being one only; single
  My sole objective is to make the information more widely available. 我唯一的目的就是让更多的人能了解到这些信息。 
 The sole survivor of the accident was found in the water after six hours. 事故唯一的幸存者于6小时后在水中被发现。 
 C1 专用的,独享的
not shared with anyone else
  She has sole responsibility for the project. 她独立负责该项目。 
 I have sole charge of both children all day. 我一个人要照顾两个孩子一整天。 
 - More examples
 - The company's sole concern is to ensure the safety of its employees.
 - In most of these cases, the woman is the sole earner in the family.
 - Letters whose sole purpose is to make a political point will not be published.
 - He was the sole survivor of the plane crash.
 - The sole British runner, White Knight, was unplaced.
 
sole  
 noun [ C ] uk/səʊl/ us/soʊl/
  (FOOT)      
  plural soles脚底;鞋底 
the bottom part of the foot that touches the ground when you stand or walk, or the bottom part of a shoe that touches the ground, usually not including the heel
  a cut on the sole of her foot 她脚底的伤口 
 shoes with rubber soles 橡胶底的鞋子 
   (FISH)      
 plural sole比目鱼,鲽鱼 
one of a number of flat, round fish that are eaten as food
  lemon sole 檬鲽 
 Dover sole 多佛鳎鱼 
 sole      
verb [ T ] uk/səʊl/ us/soʊl/
 给(鞋)换新底
to put a new sole on a shoe