单词
twenty-first
读音
ˌtwenti ˈfɜːrst
美式
英式
词根
无
释义
num. 第二十一 adj. 第二十一的；分成二十一份的 n. 二十一岁生日，二十一岁生日庆典
例句
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。
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。
Geothermal energy probably will not make large-scale contributions to the world energy budget until well into the twenty-first century, if ever.
在进入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。
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。
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。
Geothermal energy probably will not make large-scale contributions to the world energy budget until well into the twenty-first century, if ever.
在进入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。
强化记忆
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看视频学发音
of its own people.Twenty-first-century, transnational worldof problems and challenges,
was the rules that will get you into a little troublein twenty-first-century America.And perhaps the clearest example of this is stoning adulterers.
and half a million to 700,000 fatalities.So, response planning in the twenty-first centuryis both possible and is essential.
Twentieth century: a little bit over two percent.Twenty-first century could easily be 3.3, even higher percent.Even at that rate,
the questions on the smallest and the largest scale are actually very connected.So I'm going to tell you about our twenty-first-century view of the universe,what it's made of and what the big questions in the physical sciences are --
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