turn signal indicator
/ˈtɜːn ˈsɪɡnəl ˈɪndɪkˌeɪtə/
n
English · turn signal indicator中文 · 转向指示灯Español · indicador del intermitenteFrançais · témoin de clignotants
意味：Intermittent light, often accompanied by a sound, showing that a turn signal is in use.