Rules of American English pronunciation
Generally speaking, American English is more exaggerative than British English, and there are many characteristics of roll sound, but in fact, it is also the difference of individual phonetic symbols. 1 British style: American style: R is to change to roll sound 2 British style: R is to change to roll sound 3 British style: R is to change to roll sound 2 British style: R is to change to roll sound 3 British style: R is to change to roll sound 3 British style: R is to change to roll sound 2 British style: R is to change to roll sound 3 British style: R is to change to roll sound 3 British style: R is to change to roll sound 3 British style: R is to change to roll sound 3 British style: R is to change to roll sound 3 British style: R is to change to roll sound 3 British style: R is to change to roll sound 3 British style: R is to change to roll sound 3 British style: