上千上万册图书杂志在图书馆里“睡大觉”。

Hundreds and thousands of books and magazines doze in the library.

youdao

现在上千上万的阿富汗人都有一部手机。

Hundreds of thousands of afghans.

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看到那些价钱真是贵得令人咂舌，动则上千上万。

The prices were smacking as easily thousands upon thousands dollars.

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There are a lot of them about one thousand billion of them and each neuron can be connected to around thousands, perhaps tens of thousands, other neurons.

他们大量存在,大约有上千亿,每个神经元都和其周围上千个,甚至上万个神经元相连接

耶鲁公开课 - 心理学导论课程节选