?音响反射板

... musician音乐家 orchestra shell音响反射板 solmization阶名唱法 ...

?乐团壳

... projection screen 投影屏幕 orchestra shell 乐团壳 Onstage Drapery 舞台上帐幔 ...

?乐队壳

... 乐队车 bandwagon 乐队壳 orchestra shell 乐队席 orchestra pit; orchestra seat ...