superanoxia
A period during which there was very little free oxygen in the environment, and many…A period during which there was very little free oxygen in the environment, and many organisms became extinct
Значение
значений: 1(неисчисляемое)A period during which there was very little free oxygen in the environment, and many organisms became extinct
Происхождение
From super- + anoxia.From super- + anoxia.
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Однокоренные
связанных слов: 1Связанныеsuperanoxic
Уроки к слову
уроков: 1- A1Исчисляемые и неисчисляемые существительные — Потому что оно может быть неисчисляемым