Gerund functioning as an uncountable noun.
Переводы
Preparing for the exam took several weeks.
Подготовка к экзамену заняла несколько недель.
приготовлениеОбычно о приготовлении пищи или конкретного продукта Определения
The act or process of making ready or being made ready. Preparing for the exam took several weeks of study.