AMERICA's obesity epidemic is so called for a reason.

说美国流行肥胖自有其原因。

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The new discovery, known as element 118, is so called because it has a total of 118 protons in its nucleus.

新发现的这种元素被称为118号元素，之所以这么叫它是因为在它的原子核中总共有118个质子。

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I have loved, hated, rejoiced, ached, smiled and cried during these years. Maybe it is so called “life”.

爱过，恨过，乐过，痛过，笑过，哭过，或许这就是生活。

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So Los Angeles is sometimes called The Big Orange because of the fruit that grows in that city's warm climate.

VOA: special.2010.01.03

What you'll notice very delicately is that there's not all that much to this so called floppy disk.

你会注意到这种称之为软盘的东西,现在已经不怎么存在了。

哈佛公开课 - 计算机科学课程节选

So one of the things that we've done for a while now is, we have this thing called Director Day.

所以我们一直在做的是，设立董事日。

斯坦福公开课 - 戴尔CEO-Michael.Dell谈创业和发展课程节选

Security expert Mal Geer of Prime Media, a firm instructing journalists how to cope in riot situations, says kettling is so called because "it takes the steam out of a potentially violent situation".

BBC: Police 'kettle' tactic feels the heat

This is the so called growth of central bank balance sheets that is the core of the future risk to the economy we will all face at some point.

FORBES: The Question Warren Buffett Can't Answer

The key to those sharper pics, it seems, is so-called "dark field microscopy, " a technique that, as NewScientist points out, is normally used by biologists.

ENGADGET: X-rays get boost from "dark field" technology