VOA慢速英语:Looking to Webb Telescope on Hubble 25th Anniversary

短语讲解：

1. The agency, also known as NASA, says the telescope can no longer be repaired in space.

no longer 不再
例句：She no longer feared that they should misunderstand her.
她不再害怕他们会误解她了。

2. The Webb, as we call it, is the successor to Hubble Space Telescope, and it is designed to do science that the Hubble can’t do by virtue of its design.

by virtue of 凭借…的力量，由于
例句：Molecules rotate and vibrate by virtue of their heat.
分子因热效应而发生转动和振动。

3. This means it will be able to create images with more detail and show objects that are father away and not as bright.

be able to 能够
例句：We shall not be able to furnish additional copies.
我们将不能提供额外的副本。

4. New technologies combined with the larger mirror mean that the Webb telescope is more than 100 times more powerful than Hubble.

combine with 与…结合; 兼具
例句：It could combine with human flu if someone gets both viruses.
因为它可能与人类的感冒病毒相结合，

5. Astronomers hope that both telescopes can be operating at the same time so they can work together.

at the same time 同时;  一起; 但是
例句：I assume you always get up at the same time.
我想你总是在同一个时间起床。