数以万计的英文：
tens of thousands of
Tens of thousands of people live within the radius.
辐射半径之内居住着数以万计的居民。
num. 十，十个
Tens of thousands
成千上万
Ten times ten equals one hundred.
十乘以十等于一百。
The clock struck ten.
时钟敲响十点。
The town has a population of ten thousand.
这个镇有一万人口。
Allow ten minutes for washup.
给予十分钟洗涤时间。
n. 一千；一千个；无数
adj. 无数的
Tens of thousands
成千上万
The town has a population of ten thousand.
这个镇有一万人口。
A thousand people attended the conference.
一千人参加了会议。
Not a single miss in a thousand times
万无一失
Thousands of people jammed the stadium.
成千上万的人把体育场挤得满满的。