🔑nine·teenBrE/ˌnaɪnˈtiːn/NAmE/ˌnaɪnˈtiːn/number19十九▸nine·teenth🔑BrE/ˌnaɪnˈtiːnθ/NAmE/ˌnaɪnˈtiːnθ/ordinal number, nounHELP There are examples of how to use ordinal numbers at the entry for fifth.序数词用法示例见 fifth 条。●talk, etc. nineteentotheˈdozen(BrE, informal) totalk, etc. withoutstopping喋喋不休◆Shewaschattingaway, nineteentothedozen. 她没完没了地聊着。