The half - life of francium is 22 minutes.钫的半衰期是22分钟.Francium is the densest of the Alkali Metals and also radioactive.钫是碱金属中密度最大的,具有放射性.Even Francium's most stable isotope, Francium - 223 only has a half - life of ...
The authors advocated immediate intervention by industry chiefs to stop authoritarians from rising up the ranks.研究报告的撰写者们呼吁行业领导立即采取措施阻止有此种苗头的单位领导获得晋升机会....
他们求助于该市最具创新风格的一家博物馆。For assistance, they turned to one of the city's most innovative museums.他有困难时从不求助于我们.He never refers himself to us when he has difficulties.她的自尊心太强,从不求助于人.She had been too proud to ask for help....
Attlee was extremely intelligent and his grasp of the situation was masterly.阿特利聪明过人，对局势的把握颇为高明。Attlee was an Oxford man.艾德礼是名牛津学子.After the war Attlee went back to the more responsible system.战后,艾德礼回到了责任更大的系统中....
They also claim that the security team elbowed aside a steward.他们还声称保安人员将一位乘务员推搡至一边。He signed up as a steward with P&O Lines.他签约了P&O航运公司，成为了一名乘务员。He's the steward of the club.他是这家俱乐部的管理员....
Gallons of sea water had rushed into the cabin and were now swilling about in the bilges...大量海水冲入了船舱，正在船底来回晃荡。Men were standing around, swilling beer and occasionally leering at passing females...男人们吊儿郎当地站着，大口大口地喝着啤酒，偶尔还...
这种结实的高强度塑料盒子在水下100英尺以内是防水的。The durable high-impact plastic case is water resistant to 100 feet.所有零件都是用顶级高强度铝加工而成。All parts are machined from top grade, high tensile aluminium.他需要高强度理疗。He'll need intensive physiother...
He had mentored scores of younger doctors.他指导过许多更年轻的医生。They had a fantastic dean who really mentored a lot of people.那儿的教务长非常出色,的确为许多人提供了指导.The famous professor mentored him during his years in graduate school.那位著名的教授在他读...