单词	subumbrella
释义	subumbrella noun sub·​um·​brel·​la ˌsəb-(ˌ)əm-ˈbre-lə  : the concave undersurface of a jellyfish Word History First Known Use 1844, in the meaning defined above
随便看	alderperson alderpersons alders Aldershot alderwoman alderwomen alderwood ALDF aldicarb aldicarbs aldimine aldine aldines Aldis alditol aldm aldo- aldobionic acid aldofuranoside aldoketene aldol aldolase aldolases aldolization aldolizations

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