英语中“audience”的可数性由语境决定:表“观众整体”时为不可数,谓语用单数(如“The audience was silent”),描述规模(“a large audience”)也属此类;若强调观众个体或“不同群体”,则为可数,谓语可用复数(如“The audience were laughing”),指不同群体时用“audiences”(如“diverse audiences”)。固定搭配中,“an audience”表整体(不可数),“audiences across...”指不同群体(可数...