An irradiation of 60 sec. limits the build - up of excessive gamma radiation levels.采取60秒辐射限定了剩余伽玛射线水平的增高.However the major portion of the initial gamma radiation is derived from the two latter sources.可是绝大部分早期γ辐射来自后两种来源...
A soldier disinfects a body pulled a destroyed building.一士兵给坍塌的楼房里拖出的尸体消毒.One product that disinfects water with UV light is called AquaStar, made by Meridian Design.其中一种使用强光来净化水的产品叫做“水星”, 是由子午线设计公司制造的....
Be sure you get your daily quota of calcium.要确保每天的钙摄入量。They have the usual quota of human weaknesses, no doubt.毫无疑问，他们身上也有人所共有的弱点。The quota of four tickets per person had been reduced to two.每人可购买的票的限额已经由四张降至两张。...
The museum is in a financially precarious position.这家博物馆的财政状况不稳定。...the Government's precarious position.政府的危险处境They looked rather comical as they crawled up precarious ladders.他们顺着摇摇晃晃的梯子往上爬，看起来非常滑稽。The financial c...
Mr. James had had a scattering of very wealthy friends.詹姆斯先生已经结交了两三个豪门朋友。He began by scattering seed and putting in plants.他从播种和栽苗开始。The farmers are scattering seed.农夫们在播种....