наблюдая за жизнью этих людей , учё

наблюдая за жизнью этих людей , учёные узнали многое об их обычаях и традициях

Результаты (английский) 1:

watching the lives of these people, scientists have learned a great deal about their customs and traditions

Результаты (английский) 2:

watching the life of these people, scientists have learned much about their customs and traditions

Результаты (английский) 3:

observing the life of these people, scientists have learned much about their customs and traditions