macron

美 ['mækrɒn]
英 ['mækrɒn]
  • n.长音符;平调符
  • 网络长音符号;壳牌万安;星球大战
复数:macrons  
macron
n.
1.
长音符;平调符the mark ( ¯ ) which is placed over a vowel in some languages and in the International Phonetic Alphabet to show that the vowel is stressed or long