thousands of 成千上万的
in the thousands 数以千计
tens of thousands 数万
thousands of people 成千上万的人
thousands of years 数千年
thousands of dollars 数千美元
A: How many people joined the event?
A：有多少人参加了这个活动？
B: There were thousands of people there.
B：现场有成千上万的人。
1) 表示数量达到数千级别
2) 用于强调数量非常庞大
3) 常用于统计人数或物品规模
1. thousand 的复数形式，表示数千
2. 指大量的数量（常用于夸张或强调）
noun
1. The plural form of thousand, referring to numbers in the thousands or a very large quantity.
Synonym: many, numerous