美国食品药品管理局首次发出警告，使用含有汞的镀银补牙材料对儿童和孕妇的神经系统会造成危险。
For the first time, the FDA has issued a warning that the mercury contained in silver dental fillings may pose neurological risks to children and pregnant women.
(掌声)在明年核安全峰会(Nuclear Security Summit)上我们将推动的目标是，在4年之内使全世界所有处境危险的核材料得到妥善管理。
(Applause.) And next year at our nuclear Security Summit, we will advance our goal of securing all the world's vulnerable nuclear materials within four years.
负责监督每天的安全与管理、危险材料和化学品的使用和处置中的环保项目。
Responsible for overseeing day-to-day safety and environmental programs involved with the management, use and disposal of hazardous materials and chemicals.
除非现场管理人员特别授权，否则承包商不得从现场中移走危险或非危险废弃材料。
Unless specifically authorized by site management, contractors will not remove hazardous or non-hazardous waste materials from the site.
在明年核安全峰会上我们将推动的目标是，在4年之内使全世界所有处境危险的核材料得到妥善管理。
And next year at our nuclear Security Summit, we will advance our goal of securing all the world's vulnerable nuclear materials within four years.
在明年核安全峰会上我们将推动的目标是，在4年之内使全世界所有处境危险的核材料得到妥善管理。
And next year at our nuclear Security Summit, we will advance our goal of securing all the world's vulnerable nuclear materials within four years.
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