trill

US /trɪl/
UK /trɪl/
"trill" picture
1.

顫音, 顫聲

a quavering or vibratory sound, especially a rapid alternation between two musical notes a semitone or tone apart

:
The bird's song ended with a beautiful trill.
鳥兒的歌聲以一聲美妙的顫音結束。
She added a delicate trill to the melody.
她在旋律中加入了一個精緻的顫音
1.

顫動, 顫聲唱

produce a trill

:
The canary began to trill its morning song.
金絲雀開始顫聲唱它的晨歌。
She could trill her 'r's perfectly.
她能完美地顫動她的「r」音。