Africo
(obsolete) A black slave.
(slang) Combined with a noun to indicate a layering, nesting, or recursion of the thing in question.
(organic chemistry) Any of a class of organic compounds formally derived from an amine and a nitrene - R₃N⁺-N⁻R
Wood that forms (in a woody plant) in response to gravity, which differs from normal wood in ways that give it additional strength so that a branch (etc) can resist bending downward or breaking.
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DiQt（ディクト）
無料
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