慢速英语:The History of the Laser

音频下载[点击右键另存为]

短语讲解：

1.  Their work led to technology important to lasers and masers. The three men received the Nobel Prize in Physics in nineteen sixty-four.  

lead to 导致
例句：Attacks can also lead to counter-attacks.
攻击也可能导致回击。

2. It's my guess that in some way they are able to generate an intense heat in a chamber of practically absolute non-conductivity.

be able to 能够
例句：We'll be able to smooth away these difficulties.
我们能够克服这些困难。

3. H.G. Wells’ description is not too far from the truth. All lasers have several things in common.

far from 远离
例句：We're far from here and frozen in time.
我们远离这里在时光中停滞。

4. For example, drawing a perfectly level straight line on a construction site is easy using a laser.

for example 比如
例句：For example, board games and games consoles understood?
比如说下棋、打游戏机之类的懂了吧？

5. Laser printers can print out forms and documents quickly and are relatively low in cost.

print out （计算机）打出
例句：A print out of the application requirements is not acceptable.
不能接受打印出来的申请要求。