Home/crookesitecrookesite/krook-sahyt/US // ˈkrʊk saɪt //钩子网站,钩子网,钩子,钩镰枪Definitionsn.名词 noun1: a rare mineral, selenide of copper, thallium, and silver,2Se, occurring in steel-gray, compact masses.Level 2Browse all words →