When the Duke scientists say "ultra-cool" they mean uber-cooled to around 150 micro-Kelvin — that's only a few billionths of a degree Kelvin above absolute zero.

杜克的科学家们所说的“超冷”意指超级冷却到150微开尔文左右——这仅仅比绝对零度高几亿分之一开尔文。

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When you schedule your day, be ultra realistic with how much time each thing you need to get done will take.

当制订你的一天计划时，请对完成每一件事需要花费多少时间保持一个极其客观的态度。

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We knew that, when we took away this blanket of ozone, wewould have more ultra-violet radiation.

我们已经知道，当我们除掉臭氧这块毯子后，紫外线辐射会增强。

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Understanding the role of signalling resolves the puzzle of why yeshiva attendance did not fall sharply at 35 years old when ultra-orthodox men typically became draft exempt anyway.

ECONOMIST: Letters | The

The technology in the Audi urban concept reflects the full capabilities of the brand, especially when it comes to ultra-lightweight construction.

ENGADGET: Audi's Urban Concept heads to IAA Frankfurt, tickles our EV sensibilities

It was such successes that fuelled the frenzied bidding last year, when the first three ultra-deep blocks (numbers 31, 32 and 33) became available.

ECONOMIST: Angolan oil: Drilling down | The