Swirling aerates the wine, allowing it to received contact with oxygen, thus releasing aromas. It is true that wine can certainly be drunk and swallowed without paying much attention. Much of using perceive as taste is simply by smell, gives is a relevant component in tasting wine. https://objectstorage.ap-singapore-1.oraclecloud.com/p/TBKxmsw5e7uGgqCtoxQLhU9tjjrY9hd1WoYAnCKhmZ1_73hzpi8YKyGjmASn3Gou/n/axqjqojndoew/b/Ruou-tay/o/Cuoc-hanh-trinh-kham-pha-van-hoa-va-lich-su-qua-ruou-Hennessy..docx.html