twenty-first信息详情
n.二十一岁生日，二十一岁生日庆典
num.第二十一
adj.第二十一的；分成二十一份的
twenty-first───第二十一
twenty-firsts───第二十一
seventy-first───第七十一
thirty-first───第三十一
twenty-eight───28
twenty-fifth───第二十五
twenty-five───二十五
twentyish───adj.二十来岁的
twenty-eighth───第二十八
Seventeen civilians were hurt. Most are students who had been attending a twenty-first birthday party.───17名平民受了伤，其中大多数是参加一个21岁生日聚会的学生。
Geothermal energy probably will not make large-scale contributions to the world energy budget until well into the twenty-first century, if ever.───进入21世纪之前，地热能可能不会对世界能源预算作出大规模贡献。
The task facing medicine in the twenty-first century will be to redefine its limits even as it extends its capacities.───21世纪医学面临的任务将是重新定义其限制，即使它扩大了其能力。
But today, just a few years into the twenty-first century, we already find ourselves in a different and precarious position.───但是就在刚刚进入21世纪的几年前，我们发现自己处在了不同以往而并不稳定的位置。
The twenty-first century is likely to be known as the 'Anti-Imperialist Century', marking a growing intolerance of the waning US empire.───二十一世纪很可能将以“反帝国主义者世纪”而载入史册，它将印记对衰落的美帝国的不断高涨的反抗。
The graph below the images tracks the surface elevation of Devils Lake from the late nineteenth through the early twenty-first centuries.───图像下面的图表记录了魔鬼湖在19世纪末到21世纪初的水面高度的变化轨迹。
At the beginning of the twenty-first century, he could note that UNESCO had joined him in this conviction.───在二十一世纪之初，他注意到联合国教科文组织已经同他一道对此深信不疑。
Environmental knowledge are the twenty-first century, one of the indispensable quality. Protect the environment is to protect ourselves.───环保知识是二十一世纪人才的必备素质之一。保护环境就是保护我们自己。
"It promises to be one of the great undertakings of the twenty-first century, " writes Mr. Baker.───“这绝对是21世纪最伟大的事业之一。”Baker先生说。