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sake cup; cup for alcoholic beverages
主人が客人に盞を差し出し、酒を注いだ。
The host offered a sake cup to the guest and poured the drink.
祝いの席で一同が盞を掲げて乾杯した。
At the celebration, everyone raised their cups and made a toast.
漆塗りの盞は祖父の代から伝わるものだ。
The lacquered sake cup has been passed down since my grandfather's time.