BROAD AND NARROW TRANSCRIPTION x1.Diacritics（发音符号/辨音符)：the set of symbols in IPA,which are added to the letter-symbols to bring out finer distinctions than the letters alone may possibly do.For example: ×Leaf[li:f,feel[fi] pit [phit],spit [spit]BROAD AND NARROW TRANSCRIPTION  1. Diacritics（发音符号/辨音符）: the set of symbols in IPA, which are added to the letter-symbols to bring out finer distinctions than the letters alone may possibly do. For example:  Leaf [li:f], feel [fi:ł]  pit [ph it], spit [spit]