до последнего времени
• Until (very) recently, most porcelain enamels possessed limited alkali resistance.
• Until (very) recent times the Nile valley was not really irrigated.
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Русско-английский научно-технический словарь
на Gufo.me
• Until (very) recently, most porcelain enamels possessed limited alkali resistance.
• Until (very) recent times the Nile valley was not really irrigated.