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earthenware pot
「瓶」 has another reading with different meanings.
ワインの瓶を開けてグラスに注いだ。
I opened the wine bottle and poured it into the glass.
空き瓶はリサイクルに出してください。
Please put empty bottles in the recycling.
この瓶のデザインはとても美しい。
The design of this bottle is very beautiful.