This is the 2322nd most frequent Chinese word.
上千
"Above a thousand" or "over a thousand."
In this sentence, '上千' indicates a quantity exceeding one thousand, emphasizing the large number of attendees.
这次活动吸引了上千名参加者。
This event attracted over a thousand participants.
Here, '上千' describes an abundance, highlighting the extensive collection of books.
该图书馆拥有上千本珍贵的书籍。
The library houses over a thousand precious books.
In this instance, '上千' emphasizes the complexity and meticulous nature of the production process.