定义
a slice: 薄片,部分 
            
            
I'd like a slice of pie.  我想要一块馅饼。
to slice: 切,割 
            
            
- "Britons buy slice of American pie: UK citizens investing more and more in the American housing market"
 - "As Luna is allergic to coconut, there will be one extra slice of cake."
 - "I think he's had six slices already."
 - "Bob : Maybe I should grab another slice of cake."
 

