coeval
adjective formal uk/kəʊˈiː.vəl/ us/koʊˈiː.vəl/
同龄的;同时期的;同时代的
of the same age or existing at the same time as another person or thing
The abundant reef growth on Gotland was shown to be coeval with that in Estonia. 研究表明哥得兰岛丰富的矿脉与爱沙尼亚的矿脉形成于同一时代。
Synonyms: contemporaneous contemporary (OF SAME PERIOD)
coeval
noun [ C ] formal uk/kəʊˈiː.vəl/ us/koʊˈiː.vəl/
同龄人;同时代的人（或物）
someone or something coeval