单词	alumen ustum
释义	alumen ustum noun alumen us·​tum -ˈəstəm, -ˈu̇s- plural alumina usta -mənəˈəstə, -ˈu̇s- : burnt alum Word History Etymology New Latin First Known Use 1753, in the meaning defined above
随便看	obsessiveness obsessivenesses obsessives obsessivities obsessivityes obsessivitys obsessors obsessus obsidian obsidianite obsidians obsidional obsidional crown obsidionary obsidious obsignated obsignates obsignating obsignation obsignations obsigned obsigning obsigns obsn obsolesce

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