A problem with this dating method is that an object could have been carried around, used for several generations before it was discarded.
这种年代测定法的一个问题是，有可能某一件东西从一个地方被带到了另外的地方，且被好几代人用了之后才被埋入土中。
'Am', 'is', 'are', 'was' and 'were' are the finite forms of 'be'; 'being' and 'been' are the non-finite forms.
am、is、are、was和were是be的限定形式；being和been是非限定形式。
I have been telling the school since she was in the infants that I think she is dyslexic.
我告诉学校，我认为从她还是婴儿的时候，她有诵读困难。
The snake has been named silver boa because it is metallic colored and the first specimen found was climbing a silver palm tree.
这种蛇被命名为银蟒，因为它是金属色的，而且发现的第一个标本是爬一棵银色的棕榈树。
But if improving their hunting luck was the chief motivation for the paintings, it is difficult to explain why only a few show signs of having been speared.
但是，如果增强他们的狩猎运气是这些画的主要动机，那么就很难解释为什么只有少量画作有被长矛刺过的迹象。
So what Kennedy was referring to was that while GDP has been the most common method for measuring the economic activity of nations, as a measure, it is no longer enough.
因此，肯尼迪所指的是，虽然GDP 是衡量国家经济活动最常用的方法，但作为一种衡量标准，它已经不够合理了。
After five treatments, there has been dramatic improvement in my arm, and the pain is a fraction of what it was.
经过五次治疗后，我的手臂有了明显的改善，而且疼痛范围也是原来的一小部分。
The dictionary is out of date: many words have been added to the language since it was published.
这本词典已经过时了：自从它出版以来，这门语言添加了许多单词。
The snake has been named Silver Boa because it is metal-colored and the first specimen found was climbing a silver palm tree.
这条蛇被命名为银蟒，因为它呈金属色，并且第一个被发现的标本当时正在爬一棵银色棕榈树。
November was the warmest ever globally, and current data indicates that 2013 is likely to have been the hottest year on record.
十一月是全球有史以来最热的一个月份，而且目前的数据显示，2013年可能是有记录以来最热的一年。
The round table has been a symbol of the Chinese feelings. It was, it is and will always be.
圆桌一直是中国人情感的象征。过去是，现在是，将来也永远会是。
A 70-year-old Chinese woman has been called "Super Grannie" after it was reported that she is crazy about running and has completed over 100 marathons so far.
一名70岁的中国老妇被称为“超级奶奶”，此前有报道称她对跑步非常着迷，迄今为止已经完成了100多场马拉松比赛。
Ghaffar Pourazar, born in Iran, said he has been a big fan of Bruce Lee since he was a child and is full of interest in China.
出生于伊朗的加法·帕拉萨尔说，他从小就是李小龙的超级粉丝，对中国充满了兴趣。
While this may have been politically incorrect, at least she said what was on her mind, which is something that has been absent from Oscar speeches of recent memory.
虽然她犯了政策性错误，但至少说了真心话，这在近年的奥斯卡颁奖感言中很少见了。
IPhone 4 returns have been 1.7%, which is a third of what it was for the 3gs.
iPhone4的退货率是1.7%，是3gs的三分之一。
That is what I had been doing for 10 years -- it was how I understood -- so it was a natural impulse.
那是10年来我一直所做的——那是我所了解的方式——因此，它是一种天性使然。
Getting angry when your time has been wasted is perfectly normal. It was just the scale of the reaction that was affected by the experimental manipulation.
当你的时间被人浪费时，你发飙那是完全正常的，而不同的仅仅是由实验操作所带来的参与者反应的程度而已。
"Dear Father:" This is one of my comrades who was wounded in the last fight, and has been in the hospital.
亲爱的父亲：这是我的战友之一，他在上次战役中负伤，进过医院，请你接待他像接待我一样。
Harvey: This is fantastic. I haven’t been here since I was a kid.
哈维：这里真是太棒了，我长大以后就再也没有到过这里了。
Most of what was and is on view had been bought by the fourth Marquess, a prodigious art collector with a fortune so vast he could outbid almost anyone else.
大部分曾有且仍属赫特福德勋爵四世租赁之物，他是位了不起的艺术品收藏家，身家阔绰，在拍卖中几乎每次都能中标。
The will was only recently discovered, and is believed to have never been published, an auctioneer told reporters.
一位拍卖商对记者说，这份遗嘱是最近才发现的，肯定从未公开发表过。
While the study was carried out with mice, the mechanism is expected to have been preserved in other mammals.
尽管这是一项在白鼠身体上做得研究，但这种机能预计也会在其他的哺乳动物身上发生。
'I've been taking pictures since I was 12 years old, so I've been doing this for a while. My main interest is landscape, wildlife and automotive photography.
在我12岁的时候就开始拍摄照片，所以我做这些已经有一定年头了。我感兴趣的拍摄对象是风景，野生动物以及一些动态景物。
But just a year before the first phase was to have been completed, the site is moribund.
但就在一年前，第一阶段已经快完成时，该网站是奄奄一息。
The pregnancy was not planned and the child, who has not been named, is now five weeks old.
这次怀孕完全是意外，现在小宝宝已经五周大了，不过还没有取名字。
Kate was friends with William, then 19, but is thought to have been dating her first university boyfriend Rupert Finch at the time.
当年19岁的威廉和凯特已经相识，但据称凯特当时正与大学时代的第一任男友鲁伯特·芬奇交往。
Meanwhile, much of northeastern Japan, which was hardest-hit, is still under water, and entire neighborhoods have been buried by mud and debris.
同时，打击最严重的日本东北大部分地区仍然被水淹没，整个居民区已经被泥和残骸掩埋。
The reality is, we'd just been spun off from Viacom, and most of our stock was held by hedge funds.
实际情况是，我们刚从中视国际剥离出来，为了维持股价我们聚集了大量资金。
The reality is, we'd just been spun off from Viacom, and most of our stock was held by hedge funds.
实际情况是，我们刚从中视国际剥离出来，为了维持股价我们聚集了大量资金。
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