1·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.
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。
2·Chadwick: Clearly, there is a public health concern because of the fact that not all dust is derived from soil and therefore relatively benign.
查德威克：很明显，我们对公众健康问题有所担忧，因为事实上并不是所有尘土都来源于土壤从而相对无害。
3·Oliver Chadwick: We have evidence that suggests that now the planet is much dustier now than it was just a few hundred years ago.
奥利弗·查德威克：我们有证据显示，如今的地球“满身尘土”，与区区几百年前的时候相比便已大相径庭。
4·You're listening to Oliver Chadwick of the University of California, Santa Barbara.Chadwick studies dust and how it moves around the world.
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。
5·Chadwick was one of the protesters who carried Olsen away from the scene. She says she screamed for medical help, but it never came.
克莱尔.查德威克是抬着斯科特离开冲突现场的人员之一，她说她当时大声喊叫，要求给斯科特紧急医疗救助，可没有人帮他们。