All Y chromosomes in existence today are descended from a single ancestor's who is thought to have lived about 140,000 years ago.
现在存在的所有Y染色体都来自于一个被认为生活在大约14万年前的同一祖先。
“Natural selection is shaping the Y and keeping it vital to a degree that is really at odds with the idea of the last 50 years of a rotting Y chromosome, ” Dr. Page said.
佩奇博士说：“自然选择塑造了Y染色体，50年来，我们为Y染色体的退化争论不休，自然选择论更是加剧了这种争论。
I inform you that I have taken into partnership with Mr. Y., who has for many years acted as my manager.
我已请多年在我公司担任经理的Y .先生做为我的合伙人。特此奉告。
To their astonishment, they found that one out of every twelve Asian men in regions once part of the Mongol empire carry a form of the Y chromosome that can be traced to Mongolia a thousand years ago.
令人惊讶的是，他们发现曾是蒙古帝国疆域，每12个人中就有一人携带追溯到千年前的蒙古基因的Y染色体。
Calgary-based Studio Y Creations (SYC) has been in business for nearly 24 years, designing and manufacturing dimensional displays for themed environments, such as amusement parks and shopping malls.
坐落于卡尔加里的SYC标识公司已经走过将近24年了，它主要是为主题环境设计制作立体显示屏，例如游乐场和购物中心。
In the y, which originally had the same set of genes as the X, most of the X-related genes have disappeared over the last 200 million years.
Y染色体起初原本拥有一套与X染色体相同的基因，但它们在2亿年的进化长河中消失殆尽。
On average, in those years, S&P 500 earnings declined 18.3% y-o-y.
这5年中标普500指数每股收益平均同比下降18.3%。
Astronomers using WISE have spotted six Y-class brown dwarfs close to our sun — within a distance of 40 light-years.
天文学家使用WISE已经找到了太阳系附近的6个Y型的褐矮星——都在40光年以内。
We inform you that Mr. Y. , who has held our procuration for the last fifteen years, will in future sign for the firm.
谨此告知，釥我公司授权在此服务多年的M。先生以代理签名事宜。
Professor Robinson's Y chromosome is an exact match for eight of the nine markers, and one mutation is expected over the 800 years that separate him from the Mongol ruler.
他的一个基因变异被认为已经有800年的历史了，也就是说，他的基因从800年前与成吉思汗分离。
We inform you that Mr. Y. , who has held our procuration fort he last fifteen years, will in future sign for the firm.
谨此告知， 我公司授权在此服务多年的 M。先生以代理签名事宜。
Y is for year; years bring wisdom. Y.
代表年岁。年岁年岁，增长智慧。
S. Y. Z has more than ten years practical experience in foreign trade, with a speciality in the field of import and export of sea food (live and frozen), fruits, aquatic products, and frozen meat.
广东一关通拥有十几年丰富的外贸实操经验，特别是在鲜活、水果和水产品进出口方面，业务量在全国名列全茅。
But after twenty years, you would think he'd learn to pick up his clothes and hang them in the closet to help me keep the house neat. "! Y g."
可是，二十年啦，你想他总学会了把自己的衣服拣起来，挂在衣柜里，帮我把屋子弄干净吧！
We inform you that Mr. Y. , who has held our procurator for the last fifteen years, will in future sign for the firm.
兹通知，过去15年中任我公司代理的Y。先生今后将为本公司业务担任签名责任。
But after research and conversations with other vegan cat owners, about four years ago, the pair decided to make the leap and adopted two homeless cats in their Brooklyn, N. Y., neighborhood.
大约四年前，在对饲养素食猫咪的人进行了一番调查和对话后，她们决定迈出这一步，在自己住的纽约布鲁克林区领养两只流浪猫。
Though the old style Y-5 has been deployed for more than 40 years, it's still a very common cargo plane in China because it flys quite stable and the operating cost is very cheap.
尽管运- 5服役已有40年之久，但它飞行稳定、运行费用低廉，至今仍是中国最常见的运输机。
This is because the oldest Y-chromosome lineage in the Americas originated in Central Asia 15,000-20,000 years ago, and then migrated to the northeast, across the Bering Strait.
这是因为，在美洲，最老的Y染色体血统起源于亚洲中部于15,000至20,000年以前，然后迁移到东北部跨过白令海峡。
In Love Never Dies, set ten years later, he has become "Mr. Y", the mysterious owner of a Coney Island 9 pleasure ground who lures Christine back for a well-paid 10 gig.
而在《真爱不死》中，其设定是发生在《歌剧魅影》故事的十年后，“魅影”成为了“Y先生”——科尼岛娱乐场的神秘主人，他以高薪引诱克莉斯汀回来作短期表演。
The Y travel agency is engaged in the traveling reception for many years.
Y旅行社是一家具有多年经验的从事旅游接待的企业。
In recent years, Chilean wines have been playing an increasingly important role in the global wine market and this article will introduce the biggest and most famous winery in Chile——Concha y Toro.
近些年来，智利葡萄酒在全球葡萄酒市场上占据了越来越重要的地位。这篇文章小编将给大家介绍智利最大、最出名的酒庄——干露酒庄。
In recent years, Chilean wines have been playing an increasingly important role in the global wine market and this article will introduce the biggest and most famous winery in Chile——Concha y Toro.
近些年来，智利葡萄酒在全球葡萄酒市场上占据了越来越重要的地位。这篇文章小编将给大家介绍智利最大、最出名的酒庄——干露酒庄。
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