柯林斯词典sound effect (sound effects) 1. N-COUNT Sound effects are the sounds that are created artificially to make a play more realistic, especially a radio play. 音響傚果[usu pl] 返回 sound effect剑桥词典in a radio or television programme or a film , one of the sounds other than speech or music that are added to make it seem more exciting or real 音響傚果 返回 sound effect