Everyone benefited from limiting their intake of coffee to just one or two cups a day.
每个人都从每天限量喝一杯或两杯咖啡的做法中受益了。
This wine is from one of the two best vintages of the decade in this region.
这种葡萄酒是这一地区近十年来葡萄产量最好的两个年份之一生产的佳酿。
Given the extraordinary diversity of life on the planet, there must be mechanisms for speciation: the formation of two species from one original species.
考虑到地球上的生命的非凡多样性，一定存在着形成物种的机制：从一个原始物种演变为两个物种。
Imagine going from reading texts as short as one or two sentences to trying to read entire books written in complex language and containing sophisticated ideas.
想象一下，从阅读短至一两句话的文本，到努力去读整本用复杂的语言编写、观点晦涩难懂的书籍。
We met some nice people from Canada and spent two great days with them. One of them, Clive, is going to your university next year.
我们遇到了一些来自加拿大的好朋友，和他们一起度过了美好的两天。其中一个叫克莱夫的朋友，明年将去你的大学读书。
Now from your draft report it sounds as if you had one or two problems deciding who was going to actually appear in the video.
现在，从报告的草稿看来，您在决定谁将实际出现在视频中时似乎存在一两个疑问。
Most cells in your body have two copies of every chromosome and, therefore, two copies of every gene: one from your mother and one from your father.
你体内的大多数细胞每条染色体都有两份拷贝，因此，每个基因也都有两份拷贝：一份来自你的母亲，一份来自你的父亲。
This is closer to biology, especially with speciation, how two distinct species form from one.
它更接近生物，尤其是物种的形成，也就是一个物种如何形成两个截然不同的物种。
Two eagles were trying to take a lamb from its mother and were struggling. A third eagle came in to distract the ewe and one of the others got the lamb.
两只鹰试图从羊妈妈那里叼走一只羊，它们相持不下。第三只鹰来引开母羊的视线，两只鹰中的一只抓走了羊羔。
The two colleges have a reciprocal arrangement whereby students from one college can attend classes at the other.
两所学院有一项互惠协定，允许学生在院际间选课。
People from southern China say that they always buy what they need for just one or two meals.
来自中国南方的人说，他们总是只买一两顿饭所需要的东西。
The relative amount of these two kinds of water varies greatly from one kind of rock or sediment to another, even though their porosities may be the same.
这两种水的相对含量在不同的岩石或沉积物之间差异很大，尽管它们的孔隙率可能是相同的。
On the tip of a tree which had lost all its other leaves, two still remained hanging from one twig: Ole and Trufa.
在一棵其它叶子都掉光的树顶上，还有两片挂在一根细枝上：奥立和特鲁法。
If it is cut in a plane different from the one used by the early investigators, it will not form two whole embryos.
如果在一个不同于早期研究人员所使用的平面上切割，就不会形成两个完整的胚胎。
One day, while I was waiting for my father, I saw a little boy, around two years old, running freely on the grass as his mother watched from a short distance.
一天，当我在等爸爸的时候，我看见一个大约两岁的小男孩在草地上自由地奔跑，他妈妈就在不远处看着。
From this survey, one can estimate that fewer than one in five children have some contact with a hospital teacher—and that contact may be as little as two hours a day.
从这个调查中，我们可以估计不到五分之一的孩子和医院的老师有过接触——这种接触可能每天只有两个小时。
And one night James began screaming, "I got to go! I got to go!" Two weeks later, she arrived at Alaska, thousands of miles from her friends, her family and her past.
一天晚上，詹姆斯开始尖叫：“我得走了！我得走了！”两周后，她来到了阿拉斯加，远离她的朋友、家人和她的过去。
There were actually two periods of rain and lake formation: the first one began about 37,000 years ago; and the second one dates from about 10,000 years ago.
事实上，这里有两个时期的降雨和湖泊形成：第一个始于大约37000年前；而第二个可以追溯到约一万年前。
Mrs. Thompson got two more letters from him with the last one signed, Theodore F Stoddard, M. D. (医学博士).
汤普森夫人又收到了他的两封信，最后一封的署名是：西奥多·F·斯托达德，医学博士。
Some of us have been used to more creative ways of greeting one another, such as a friendly wave from two meters away.
我们中的一些人已经习惯了更有创意的问候方式，比如在两米开外友好地挥手。
The same thing happened—one or two of the children would appear and join in the gardening from time to time.
同样的事情发生了——孩子中的一两个会时不时地出现并加入到园艺工作中。
One comes from a bug called Clostridium propionicum, another two more from Cupriavidus necator.
一个来自一种叫丙酸梭状芽胞杆菌的细菌，另两个来自贪铜菌吊钩虫。
By using the two together, you can copy from one directory to another, as shown in Listing 13.
同时使用这两个选项，您可以将文件从一个目录复制到另一个目录，如清单13所示。
One thing to keep in mind here is the integration of assets from two companies to provide one working solution.
这里要注意的一点是来自两个公司资产的集成提供了一个起作用的的解决方案。
You'll see that I am using the ideas discussed in Tip 1, returning two resultsets from one stored procedure: the total number of records and the requested data.
您将会看到，我使用的就是技巧1中讨论的理念，从一个存储过程返回两个结果集：记录的总数和请求的数据。
The number of database replications is reduced from two to one.
数据库副本的个数从两个减少到一个。
But when you initialize a third node, you have an option between two IP addresses from node one and node two.
不过，当初始化第三个节点时，您可以在节点一和节点二这两个IP地址之间作出选择。
Most genes are present as two copies, one inherited from the mother and one from the father.
现在大多数基因都有两种副本形式，一种来自母体，另一种则来自父体。
Such a transfer involves two parts: money deducted from one account and deposited in the other.
此类转移包括以下两个部分：从一个帐户上扣除资金，并将其存入另一个帐户上。
Such a transfer involves two parts: money deducted from one account and deposited in the other.
此类转移包括以下两个部分：从一个帐户上扣除资金，并将其存入另一个帐户上。
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