VOA慢速英语:50 Years of BASIC, the Computer Programming Language That Changed the World

短语讲解：

1. They wanted students in other departments to be able to use their school's computer.

be able to 能，会; 能够; 克
例句：How soon will china be able to clean up its air?
中国能在多短时间内将空气变清洁？

2. She says BASIC was created just as computers became fast enough to perform many commands at the same time.

at the same time 同时;  一起; 但是;  然而
例句：At the same time learning moved online.
同时，学习走上了网络。

3. And I would say that is not the immediate legacy of BASIC but it is a part of what was involved in building up on BASIC," said Kidwell.

involve in 使参与[陷入，牵扯到]
例句：Be you involve in the copyright affair.
你是否卷入著作权的事件之中。

4. Mr Kurtz and Mr Kemeny released BASIC to the public for free, the computer language quickly became very popular.

for free 免费
例句：Why do people work for free?
为什么人们会免费工作？