yodel
(also yodle), v (-ll-; US -l-) [I, Tn]
sing (a song) or utter a musical call, with frequent changes from the normal voice to high falsetto notes, in the traditional Swiss manner 用岳得尔调唱(歌)或呼喊(以瑞士的传统方式用真声和高音假嗓交替). yodel (also yodle) n yodelling song or call 岳得尔调或呼喊.