The hyperbolic surface, which has so-called negative curvature because its surface curves up and down at the same time, like a saddle.

双曲曲面，即通常所称的负曲率，因为它的表面同时向上和向下弯曲，就像一个马鞍。

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Many people have been fascinated about Venus for centuries because of its thick cloud cover—a so-called planet of mystery and all of that.

数世纪以来，许多人都对金星着迷，因为它有厚厚的云层覆盖——一颗所谓的神秘星球。

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A suggested explanation, so long as its correctness is still in doubt, is called a hypothesis.

提出来的解释，只要它的正确性仍然有疑问，便称为假说。

《新英汉大辞典》

Its report,called "Why So Few?."

VOA: special.2010.04.01

On the one hand, there is Iran and its allies in the so-called "resistance" block, including Syria, the Palestinian group Hamas and Lebanon's Hezbollah.

VOA: standard.2010.03.18

It really produces its effects primarily by just activating the so-called capsaicin receptor."

VOA: standard.2010.05.04

In fact, the only mainstream media outlet to launch such a leak portal so far is Al Jazeera: its so-called Transparency Unit.

FORBES: WikiLeaks' Assange Warns Sources Against "Direct-To-Newspaper" Leak Projects

Maruti also has an engine facility in Gurgaon in which it makes its so-called K-series gasoline engines that power most of its vehicles.

WSJ: Maruti Suzuki India To Open Plant in Gujarat State

The Europeans also excoriated the Bush administration for telling French President Jacques Chirac last Thursday that the Quartet would not issue a final version of its so called "road map" for the establishment of a Palestinian state in its meeting today.

CENTERFORSECURITYPOLICY: Roadmap to perdition