If a singer coughs, this can result in the bruising of the vocalcords.
如果歌手咳嗽，这可能会导致声带瘀伤。
2
They are easily available on the continent and they are useful if a singer has problems with his vocalcords and has to sing that night.
它们在欧洲大陆很容易买到，并且如果歌手的声带有问题，而且当晚必须要唱歌，它们就能派上用场。
3
Dolphins lack vocalcords, nevertheless creating sounds: a complicated system of whistles, squeaks, moans, trills, and clicks are produced by sphincter muscles inside the blowhole.