VOA常速英语2015--高清显微镜探索微型世界

高清显微镜探索微型世界

Modern microelectronic devices contain billions of components¹ crammed² into thumbnail-size flakes³. The chemical industry uses nanoparticles to make better cleaning products, while pharmaceutical⁴ companies use them for delivery of medicines straight into human cells.

现代微电子仪器的数十亿构件都集中在了拇指甲小的薄片中。化学产业能够利用纳米粒来生产更为清洁的产品，制药厂也能够通过它将药品直接应用于人类细胞。

Scientists at the Luxembourg Institute of Science and Technology list for short combined a specially⁵ designed spectrometer with a commercially available helium ion microscope to build a very high-resolution optical device capable of looking into these tiny worlds.

通过将特殊定制的分光仪与市面上的氦离子显微镜相结合，来自卢森堡理工学院的科学家制造了一个能够探索微型世界的光学仪器。

We can follow where those nanoparticles have been uptaken into, for example, human cells. And also we can see whether or not a labeled drug is present within the cell, in the same place as the nanoparticle. So we can really start to test whether or not a delivery system is effective.

通过该仪器，我们能够了解纳米粒的摄入方向，譬如说人类细胞。我们还能够判定药物是否与纳米粒作用在了相同的细胞之中。由此我们就能够开始对输送系统的有效性进行检测。

One of the first practical uses was checking the effectiveness of new cosmetic⁶ products. For instance, the new microscope helped scientists test the shampoos containing silver nanoparticles, which are highly toxic⁷ to bacteria living in human hair.

该仪器最为实际的用途之一就是检测新化妆产品的有效性。例如，新型显微镜能够帮助科学家监测洗发水中所含有的银纳米颗粒，该物质会对头发上的细菌产生剧毒。

We can also analyze⁸ the hair as well to see whether the shampoo, for example, penetrates⁹ just onto the outside or to see how deeply it's penetrated¹⁰.

我们还可以对头发进行分析，例如洗发水，对渗入到表层或是内部的洗发水进行检测。

 

Researchers say the new microscope could also find applications in the development of more efficient batteries for electric cars and portable electronic devices.

 

对于电动汽车和移动电子设备，研究人员表示称新型显微镜能够发展更加有效的蓄电池。

1 components   

（机器、设备等的）构成要素，零件，成分； 成分( component的名词复数 )； [物理化学]组分； [数学]分量； （混合物的）组成部分

参考例句：

• the components of a machine 机器部件
• Our chemistry teacher often reduces a compound to its components in lab. 在实验室中化学老师常把化合物分解为各种成分。

2 crammed   

adj.塞满的，挤满的；大口地吃；快速贪婪地吃v.把…塞满；填入；临时抱佛脚( cram的过去式)

参考例句：

• He crammed eight people into his car. 他往他的车里硬塞进八个人。
• All the shelves were crammed with books. 所有的架子上都堆满了书。

3 flakes   

小薄片( flake的名词复数 )； （尤指）碎片； 雪花； 古怪的人

参考例句：

• It's snowing in great flakes. 天下着鹅毛大雪。
• It is snowing in great flakes. 正值大雪纷飞。

4 pharmaceutical   

adj.药学的，药物的；药用的，药剂师的

参考例句：

• She has donated money to establish a pharmaceutical laboratory.她捐款成立了一个药剂实验室。
• We are engaged in a legal tussle with a large pharmaceutical company.我们正同一家大制药公司闹法律纠纷。

5 specially   

adv.特定地；特殊地；明确地

参考例句：

• They are specially packaged so that they stack easily.它们经过特别包装以便于堆放。
• The machine was designed specially for demolishing old buildings.这种机器是专为拆毁旧楼房而设计的。

6 cosmetic   

n.化妆品；adj.化妆用的；装门面的；装饰性的

参考例句：

• These changes are purely cosmetic.这些改变纯粹是装饰门面。
• Laughter is the best cosmetic,so grin and wear it!微笑是最好的化妆品，所以请尽情微笑吧！

7 toxic   

adj.有毒的，因中毒引起的

参考例句：

• The factory had accidentally released a quantity of toxic waste into the sea.这家工厂意外泄漏大量有毒废物到海中。
• There is a risk that toxic chemicals might be blasted into the atmosphere.爆炸后有毒化学物质可能会进入大气层。

8 analyze   

vt.分析，解析 (=analyse)

参考例句：

• We should analyze the cause and effect of this event.我们应该分析这场事变的因果。
• The teacher tried to analyze the cause of our failure.老师设法分析我们失败的原因。

9 penetrates   

v.穿过( penetrate的第三人称单数 )；刺入；了解；渗透

参考例句：

• This is a telescope that penetrates to the remote parts of the universe. 这是一架能看到宇宙中遥远地方的望远镜。 来自《简明英汉词典》
• The dust is so fine that it easily penetrates all the buildings. 尘土极细，能极轻易地钻入一切建筑物。 来自辞典例句

10 penetrated   

adj. 击穿的，鞭辟入里的 动词penetrate的过去式和过去分词形式

参考例句：

• The knife had penetrated his chest. 刀子刺入了他的胸膛。
• They penetrated into territory where no man had ever gone before. 他们已进入先前没人去过的地区。