December solstice
(organic chemistry) The electrophilic alkylation of a nitrile to form an amide
(astronomy) The moment when the sun reaches the southernmost point of the sky, occurring on December 21–22. That would be winter solstice in the northern hemisphere and summer solstice in the southern hemisphere.
Not lugubrious.
to restrict something with a tether. / (Internet) to connect a cellular smartphone to another personal computer in order to give it access to a hotspot. / to connect something to something else.
多くの文化は、太陽が空で最も南に達する瞬間である冬至を祝う祭りや儀式を行います。
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DiQt（ディクト）
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