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December
twelfth month of the lunar calendar
十二月に入ると街にイルミネーションが灯る。
When December arrives, illuminations light up the streets.
十二月の末に大掃除をする家庭が多い。
Many households do a big cleaning at the end of December.
今年の十二月は例年より暖かい。
This December is warmer than usual.