interjection/ˌɪntəˈdʒekʃn; ˌɪntɚ`dʒɛkʃən/ n(grammar) word or phrase used as an exclamation (eg Oh!, Hurray! or For goodness sake!) 叹词, 感叹语（如｀啊!＇｀好哇!＇或｀看在老天爷的面上!＇）.
牛津英汉双解词典