Two volunteers cut off from the rest world for eight months stepped out on a mock-up of Mars on Monday, reaching the dramatic half-way point of their experimental "voyage" to the Red Planet.

周一，两名同外部世界隔离了8个月之久的志愿者在模拟火星上迈出了第一步，进而让这个关于火星旅行的实验到达了关键性的中间点。

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When the heat comes to a certain degree, a red light will go on and the electricity will be cut off automatically.

当加热到一定程度时，红灯就会亮，而且电源会自动切断。

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Soaking a lean or inexpensive cut of red meat in a couple of cups of vinegar breaks down tough fibers to make it more tender-and in addition, kills off any potentially harmful bacteria.

用几醋浸泡瘦肉或者便宜的红肉可以软化其中的粗质纤维使肉质更加松软，并且醋还可以杀死肉里面的有害细菌。

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If Churchill Downs is big hats and red carpets, Pimlico is cut-off shorts and porta-johns.

FORBES: I'll Have Another: Can He Get His Preak On?

Last year, my Administration launched the Startup America initiative to help connect innovators to funding and mentorship, cut through red tape, speed up innovation, and get their ventures off the ground faster.

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"To our complete surprise, we found several red dwarf binaries with orbital periods significantly shorter than the 5-hour cut-off found for sun-like stars, something previously thought to be impossible, " the study's lead author Bas Nefs, from Leiden Observatory in the Netherlands, said in a statement.

MSN: 'Impossible' stars found in our galaxy - Technology & science - Space - Space.com | NBC News