Wheatley and Looser set out to pin down the point at which a face starts to look alive.

惠特丽和露泽着手找出脸在哪个点看起来有生机。

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Meanwhile, Nasa's Fermi space Telescope is taking a different approach to try to pin down dark matter. It will look for evidence of dark matter "annihilations" in space.

同时，美国太空署的费尔米太空望远镜也在使用不同的方法试图确认暗物质(的存在)。它将寻找暗物质在太空“湮灭”的证据。

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Write the object of your desire on a piece of paper and pin it to the wall. Look at it every day for a week.

在一张纸上写下你想要的东西，把它固定在墙上，然后每天都看着它，持续一个星期。

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And they fear that as a consequence, American Jews may take a second look at Palin with her Israeli flag lapel pin.

CENTERFORSECURITYPOLICY: Sarah Palin's friendship

It features guided tours, talks, exhibitions and a pin-hole camera project, aimed at encouraging people to take another look at buildings in the city.

BBC: Birmingham & Black Country

Many pop artists spend decades of hard work trying to pin down a style that envelopes their voices, and Steve Jobs made it look easy and cool, tapping into a cache most artists and entrepreneurs could only dream of achieving.

FORBES: Remembering Steve Jobs, Pop Artist