单词	nabla
释义	nabla noun nab·​la ˈnablə plural -s 1 : an ancient stringed instrument probably like a Hebrew harp of 10 or 12 strings called also nebel 2 [probably so called from the resemblance of its symbol, the inverted Greek delta, to a harp] : del Word History Etymology Greek, of Semitic origin; akin to Hebrew nēbhel harp
随便看	hexamethylenediamine hexamethylenetetramine hexamethylenetetramines hexametrise hexametrised hexametrises hexametrising hexametrist hexametrists hexametrized hexametrizes hexametrizing hexamines hexamitae hexamitas hexamitid hexammine hexanal hexanchi Hexanchidae hexanchidaes Hexanchus hexanchuses hexanchusses hexane

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