它被认为是在20世纪初起源于南美洲，后来传播到欧洲，然后跨越到撒哈拉以南的非洲。

It is believed to have originated in South America in the early 1900s, and later spread to Europe before crossing over to sub-Saharan Africa.

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避免将cell跨越到两个数据中心。

Avoid cells that span two data centers.

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随着VoIP获得了流量，电信正逐渐跨越到网络管理领域。

And as VoIP gains steam, telecommunications are increasingly crossing over into the network administration arena.

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We'll be talking about the fact that this is an interval of a third; it spans three letter names a little bit later on.

我们以后会谈到,这其实是个三度音程,它跨越了三个音名

耶鲁公开课 - 聆听音乐课程节选

Following a transformation the study of which is not the concern of the social sciences but rather of biology and psychology, a crossing over came about from a stage where nothing had a meaning to another where everything possessed it.

这门学科并不属社会科学的范畴,而是属于生物学，心理学，此种转变是一种跨越，从一个什么都没有意义的时代到,一个每样东西都能表达的时代的。

耶鲁公开课 - 文学理论导论课程节选

In Democracy in America there's that famous passage, or passages, when Tocqueville crosses the Ohio River, from Ohio into Kentucky, from free soil into slave soil, free state into a slave state.

在托克维尔跨越俄亥俄河,从俄亥俄进入到肯塔基州,从自由之所走向奴役之地的那段游历中,为《美国民主》贡献了数段名言

耶鲁公开课 - 美国内战与重建课程节选