An immense number of banners and flags, especially battle flags, so vast that they seem to obscure the sun, signifying a large, powerful, and imposing formation or army.
在盛大的庆典队伍中，旌旗蔽日，乐声震天，展示了宏伟的场面。
In the grand celebratory procession, countless banners and flags seemed to obscure the sun, and the music reverberated through the sky, presenting a magnificent spectacle.
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