The nanomotor is not the first motor to be driven by particles of light; it is however, the first nanomotor built entirely from a single molecule of DNA.
这并不是人类首次发明能直接被光粒子驱动的纳米马达，但却是首次使用DNA单分子制造出的纳米马达。
It is however, much faster than the next available tier of storage (be it local disk, network store, or going back to the original system of record - such as an RDBMS - for the data).
但BigMemory还是要比底层可用的存储快很多，不论是本地磁盘、网络存储，还是RDBMS等原本记录数据的系统。
It took hot competition from abroad, however, to show us just how good our product really is.
然而，正是来自国外的激烈竞争让我们看到自己的产品有多好。
The Dutch auction it is setting up could prove somewhat confusing to small shareholders, however.
然而，它正在安排的荷兰式拍卖可能会让小股东们感觉到些许困惑。
It is remarkably, however, that Seneca himself never mentions the plays, since there are certain passages in them that could be used to illustrate points of his philosophy.
然而，值得注意的是，塞内加本人从未提及这些戏剧，因为其中有些段落可以用来阐明他的哲学观点。
However, our idea is for it to be also fun and entertaining, something which traditional documentaries aren't so much.
然而，我们的想法是让它也变得有趣和具有娱乐性，这是传统纪录片所缺少的。
The problem with novelty, however, is that it tends to trigger the brain's fear system.
然而，新奇的问题是，它往往会触发大脑的恐惧系统。
It does, however, have earlier origins in other senses. It is a variant of hallo, which dates to 1840 and is a cry of surprise.
然而，它确实在其他意义上有更早的起源。它是hallo的变体，可追溯到1840年，是一种表示惊讶的叫声。
From a detailed analysis of the salamanders' family tree, however, it is clear that the other lineages evolved from an ancestor that itself had lost the ability to metamorphose.
然而，通过对蝾螈族谱的详细分析，我们可以清楚地看到，其他谱系分支是从一个本身已经失去了变形的能力的祖先演化而来的。
Such an argument is plausible, however, it is less useful for understanding the sociopolitical implications of water use and control in other, water-rich parts of the Maya region.
这样的论据是有道理的，然而，对于理解玛雅地区其他富水地区的用水和控制的社会政治影响来说，就没那么有用了。
However, it is very hard to demonstrate causes using non-experimental data such as this.
然而，使用诸如此类的非实验数据来证明原因是非常困难的。
What is so impressive about it, however, is not its lengthiness but rather the reverse — the thrifty compactness of its construction.
然而，令人印象深刻的不是它的冗长，恰恰相反——是它简洁紧凑的结构。
It is not, however, a sign that they're getting serious about transforming the postal system for the 21st century.
但是，这并不表示他们正认真考虑为21世纪改革邮政系统。
It's very important for improving the lives of individuals, however, it is estimated that 880 million adults around the world are illiterate, that is, they are unable to read or write.
这对改善个人生活非常重要，然而，据估计，全世界有8.8亿成年人是文盲，也就是说，他们不会阅读或写字。
This is partly because the competition to provide credit is so fierce, however cheap it is.
这在一定程度上是因为提供信贷的竞争非常激烈，不管它们有多便宜。
Upon reflection, however, it is equally easy to feel like you have seen it all before.
然而，仔细一想，你也很容易觉得你之前已经看过了。
However, it is possible for a graduation speech to go beyond cliché and say something truly compelling.
然而，毕业演讲也有可能超越陈词滥调，说出一些真正令人信服的东西。
To better understand breathing during sleep, it is, however, helpful to first understand how respiration works in general.
然而，为了更好地理解睡眠中的呼吸，首先了解呼吸的一般工作原理是有帮助的。
It is difficult, however, for scientists to get close to the bears.
然而，科学家们很难接近这些熊。
It is possible, however, to view the colors in a moonbow using long exposure photography.
然而，使用长时间曝光摄影可以观察到月虹的颜色。
However, it is clear that students, especially young students, often need this kind of home support.
然而很明显，学生常需要这种家庭支持，尤其是年纪比较小的学生。
However, it is announced that the Chinese paddlefish living in the Yangtze River has become extinct (灭绝) .
然而，据报道，生活在长江的中国白鲟已经灭绝。
However, it is impossible to do justice to Roman wares on the page, even when words can be backed up by photographs and drawing.
尽管有照片和画像支持文字记录，也无法轻易的对罗马陶器做出公正评价。
Millie asks Andy to fix her broken bicycle, however, he is uncertain about it.
米莉请安迪修理她那辆坏了的自行车，然而，他对此并不确定。
It is, however, one proven technique for managing change and ensuring reproducibility.
然而，它是一种用于管理更改和确保再现性的已证实的技术。
It is, however, fitted with a camera and is able to use information from that camera to adjust its height and direction.
但是它可以利用身载摄像机收集到的信息对自身的飞行高度和方向进行调整。
The zoo's Institute for Conservation Research has experience preserving, and breeding from, amphibian skin cells. It is, however, a tricky business.
动物园的保护中心曾经尝试保存并从两栖动物的皮肤细胞繁育，但这确实是个棘手的工作。
The zoo's Institute for Conservation Research has experience preserving, and breeding from, amphibian skin cells. It is, however, a tricky business.
动物园的保护中心曾经尝试保存并从两栖动物的皮肤细胞繁育，但这确实是个棘手的工作。
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