signature tune
US /ˈsɪɡ.nə.tʃər ˌtuːn/
UK /ˈsɪɡ.nə.tʃər ˌtuːn/

名词
1.
主题曲, 片头曲
a tune or song that is regularly used to introduce a particular television or radio program, or a performer or group
示例:
•
The orchestra played the show's signature tune as the curtain rose.
管弦乐队在幕布升起时演奏了节目的主题曲。
•
Every morning, the radio station starts with its familiar signature tune.
每天早上,广播电台都以其熟悉的主题曲开始。
在 Lingoland 学习这个单词