Русско-английский научно-технический словарь
только через ... лет
• It was not until 30 years later that the study of these viruses became popular.
• It was another 17 years before the first engine was developed.
Русско-английский научно-технический словарь
• It was not until 30 years later that the study of these viruses became popular.
• It was another 17 years before the first engine was developed.