stress mark
noun [ C ] uk/ˈstres ˌmɑːk/ us/ˈstres ˌmɑːrk/
重音符号
a short vertical line that, when the pronunciation of a word is being shown, is printed before the syllable that receives the most stress or the second most stress in the word
Stress marks above the line indicate primary stress, while those below the line show secondary stress. 在文字上方的重音符号表示主重音，而文字下方的重音符号表示次重音。