制作周期拖延数年，泰勒的疾病数次使拍摄搁浅。
Shooting dragged on for years, with production being halted several times due to Taylor's illnesses.
为了解释气囊如何改变声音，de Boer博士制作了口腔、舌和喉的塑料模型，并压入空气使之发出不同的元音。
To find out how having an air sac changed the sounds produced, Dr DE Boer created plastic models of the mouth, tongue and throat and forced air down them to produce different vowel sounds.
Cotlear说，反对制定标准的论点使工作小组决定制作这个录像。
The arguments against standards prompted the team to make the video, says Cotlear.
应用推荐