我八十年代去北京时，每年春天都有若干天风沙天气，能见度极低。平时桌子都要擦，不然就会有灰尘。

来源: 方外居士于 2026-03-20 15:10:06 [旧帖] [给我悄悄话] 本文已被阅读：次

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