目的提出甘肃省地方性氟中毒防治对策.Objective To propose suitable prevention measures for endemic fluorosis.结论适当浓度的碘、对大鼠氟中毒有明显的拮抗作用.Conclusion Proper concentration I and Se have obvious antagonism against rat fluorosis.此外,贵州还有超过1000万人有氟中毒...
I answered yes in a quavering voice.我用颤抖的声音说是.Even his voice became quavering and lost its old masterfulness.他说话的声音已不象当年那样斩钉截铁,铿锵有力,而是含含混混、结结巴巴、有气无力.The gentle breeze set the flames of the lamps quavering.微风吹得灯火微微跳动....
戴维∙哈里斯藏书ex libris David Harries他把全部藏书捐献给图书馆.He presented his whole collection of books to the library.他带我到他的藏书室, 里面的藏书虽然杂乱无章,数量却相当可观.He took me into his library, a littery but considerable collection....
the many isotopes of carbon碳的诸多同位素Tritium is one of the mildest radioactive isotopes.氚是最和缓的放射性同位素之一.The inferno spewed a deadly plume of radioactive isotopes into the atmosphere.这个象炼狱般的地方将一缕致死的放射性同位素喷入大气层....
The most striking feature of those statistics is the high proportion of suicides.那些统计数据最引人注目之处是其极高的自杀率。They believe this confusion is responsible for a rash of suicides this spring.他们认为今年春天一连串的自杀事件是由这次混乱引起的。Since when do...
He converted his truck into a mobile snack bar.他把货车改成流动小吃店.The snack bar is open during the day.小吃店白天营业。I have my lunch in a snack bar nearby.我在附近一家快餐店吃午饭....