单词：permissible exposure limit
单词：permissible exposure limit 相关文章
Unit 25 American Men Don’t Cry Weakness n.软弱, 弱点,嗜好 There are definite weakness in their security arrangements. My diet would be fine if only (只要...就好) I didn’t have this weakn
自考英语（一）78讲
There are many reasons why your mind might wander in class or during homework. Some of the most common factors are non-medical and simple, and they can be treated by making small changes in your routine. 在课堂上或者做作业时，思想不集中
轻松英语
Brain scans of men and women exposed to lead during childhood shows residual damage less severe in females Rose Hoban | Washington, DC 18 December 2009 Ever since the ancient Roman era, people have known that lead, a heavy metal long used in paints,
VOA标准英语2009年(十二月)
Japan raised the severity of the Fukushima nuclear crisis from four to five on a seven-point scale of international nuclear events. Fears of radiation exposure has caused a run on salt products all across the region, including in China, where shopper
VOA标准英语2011年(三月)
French Court Convicts South African Artist of Indecent Exposure WASHINGTON A French court has convicted South African performance artist Steven Cohen of indecent exposure during an appearance he made in central Paris last year. The court imposed no p
VOA标准英语2014年(五月)
A woman was walking down the street with her blouse openand her right breast hanging out. A cop was approachingfrom about a block away, thinking to himself, Boy, myeyes must be going. It looks like that woman is hangingout of her blouse. But, as he g
趣味英语