at that time, in its time
Zu einer bestimmten Zeit in der Vergangenheit.
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Seinerzeit war diese Technologie revolutionär.— At that time, this technology was revolutionary.
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Er war seinerzeit ein sehr angesehener Professor.— He was a very respected professor in his time.
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Man glaubte seinerzeit, dass die Erde flach sei.— At that time, people believed the Earth was flat.
Антонимы