One way to achieve this is by doing an experiment.

能够实现这个目的的方法是做一个实验。

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Mr. Black walked around and offered help while we were doing an experiment.

我们做实验时，布莱克先生四处走动并提供帮助。

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In 1856, William Perkin, an 18-year-old science student, noticed something strange while doing an experiment.

1856年，18岁的理科生威廉·珀金在做实验时注意到一些奇怪的事情。

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You make an observation doing an experiment that is as accurate as you can do.

得到了你能都,做到的最高精度。

麻省理工公开课 - 热力学与动力学课程节选

What fantastic claim be shown by doing an OPERA-like experiment to measure speed of light instead of neutrinos?

FORBES: New Evidence Casts Doubt On Faster-Than-Light Neutrinos