ballrooms的音标？

It was performed in fashionable Casino ballrooms.人们在时髦的娱乐舞厅里跳这种舞蹈.Some settled into ballrooms or theaters or hotels for weeks or months at a time.有的乐队在舞厅、剧院或旅馆作数月甚至数月的逗留....

n.舞厅( ballroom的名词复数 )...