fluting

基本解釋

Fluting and singing are heard all night.
笙歌不夜。
No hymn lifts my heart higher than the morning call of the bobwhite or fluting cry of sandhill cranes out of the sky at dusk .
北美鳩清晨的鳴唱或黃昏時天空中沙丘鶴笛鳴般的長吟，是任何贊美詩都無法媲美的。
Both the dark and the autumn had already made people feel sad, while the fluting of a certain someone often piled on the dreariness.
在暮色和秋色的雙重蒼涼里，往往不知什么人加上一陣笛音的蒼涼。
But her smile is mysterious, as mysterious as the fluting from the depth of peaceful night, dimly discernible and capricious for ever.
但她的微笑卻是神秘的，神秘得仿佛靜夜里從遠方傳來的笛聲飄飄緲緲令人永遠無法捉摸。
Grinding is an extensively used method for tool fluting.
刀具螺旋槽磨削已成為通用的成型方法。

If you describe someone's voice as fluting, you mean that it goes up and down a lot, and usually that it is high pitched.