In this case, Uranium-Lead Dating was used to establish that half of the sandstone in the samples was formed at the same time the granite in the Appalachian Mountains was formed.
在这种情况下，铀铅定年法被用来确定样本中一半的砂岩是在阿巴拉契亚山脉花岗岩形成的同时形成的。
True or false: If a man you've been dating for a year and a half hasn't gotten around to popping the question, patience is your best bet - pressure will surely scare him off.
正确或错误：如果一个男人同你交往了一年半，但是还没有向你提出求婚，那么耐心是你最好的应对方法，因为给他施加压力必然会吓跑他。
It's a sad fact that up to half of the UK is made up of ugly people yet amazingly nobody has ever thought of providing a dating service for them.
不幸的是，英国人中一半人都是丑人，但是让人吃惊的是从没人想过为丑人办个相亲网站。
In some cultures, half the employees are dating, or married to, the other half and it's not a problem — at least not yet.
在有些公司文化中，有一半员工正在与另外一半员工约会，或已经结成夫妻，所以办公室恋情不是问题——至少现在还不是问题。
Most famously, uranium-238 decays into lead-206 with a half life of 4.5 billion years, though radioactive rubidium and samarium are also useful for dating things billions of years old.
最为有名的就是铀- 238衰变为铅- 206的半衰期为45亿年，当然放射性铷和钐也同样对测算几十亿年前的物体的年龄很有用。
Li and Leong have been secretly dating for a year and a half.
21岁的梁洛施与42岁的李泽楷已秘密拍拖1年半。
The question itself was no surprise — hello five and a half years of dating! — and I knew my boyfriend (the Sobel) had an heirloom diamond he wanted to pass on.
求婚本身并没让我吃惊——怎么说我们也谈了五年半恋爱了——而且我还知道我的男朋友(就是那个Sobel)有意将他家祖上传下来的一块钻石给我。
With the average courtship before a marriage lasting about two and a half years dating is an increasingly expensive venture.
结婚前不断的讨好奉承要持续两年半，约会成了花费不断增长的冒险。
LONDON — The British Library said Wednesday it was digitizing up to 40 million pages of newspapers, including fragile dailies dating back three and a half centuries.
伦敦消息—周三，英国图书馆称该图书馆正在对4000万页的报纸进行数字化转换。这些报纸中有些已有350年的历史，且损坏严重。
According to a study by dating site Baihe. com, at least one party has been unfaithful in half of Chinese first marriages.
根据婚恋服务网站百合网的调查，在半数的中国初次婚姻中，至少一方有出轨行为。
More than half of Americans are married or are dating or living with their future partner by age 30.
到了30岁，大于一半的美国人都已结婚、或约会、或正在和未来的婚姻对象同居。
We know that more than half of Americans are married or are living with or dating their future partner by 30.
我们知道到了30岁的时候，超过半数的美国人会结婚或者和未来的另一半同居或者约会。
Your best friend is dating someone half their age and isn't breaking any laws.
你最好的朋友与一个年龄只有他一半的女人约会，但是并不会犯法。
Overall, I am not dating any one at present and do not have any target. But if I do not have to be too devoted to my work, I also hope to have my other-half to support me and listen to me.
总之目前没有拍拖，亦没有追求的对象，不过若不用太专注工作的时候，都希望有另一半倾诉及支持。
Overall, I am not dating any one at present and do not have any target. But if I do not have to be too devoted to my work, I also hope to have my other-half to support me and listen to me.
总之目前没有拍拖，亦没有追求的对象，不过若不用太专注工作的时候，都希望有另一半倾诉及支持。
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