这项工作为詹姆斯·查德威克爵士发现中子铺平了道路，尤其是为伊莲娜和弗雷德里克·约里奥特·居里在1934年发现人工放射性奠定了基础。

This work prepared the way for the discovery of the neutron by Sir James Chadwick and, above all, for the discovery in 1934 by Irène and Frédéric Joliot-Curie of artificial radioactivity.

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查德威克：实际上，那些最细小的尘土颗粒会被高高地吹到大气层当中，从而绕地球长途跋涉。

Chadwick: The finest portion will actually... can be lofted high enough into the atmosphere so that it will start to move long distances around the planet.

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这是加利福尼亚大学圣巴巴拉分校的奥利弗·查德威克，他在研究尘土以及它在世界范围内的移动情况。

You're listening to Oliver Chadwick of the University of California, Santa Barbara.Chadwick studies dust and how it moves around the world.

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