a large quantity of

Translations
большое количество
He bought a large quantity of apples at the market.
Он купил большое количество яблок на рынке.
Definitions
A significant or substantial amount of something, often implying that the quantity is more than what is considered normal or average.
Words
a

article or possessive pronoun
неопределённый артикль
large

adjective
большой
quantity

noun
количество
of

preposition
из