VOA慢速英语:When a Textbook Is Online, Not on Paper

2. regular adj. 正常的, 经常的
例句：I had no regular education.
我没有受过正规教育。

3. purchase vt.购买
例句：We purchased a car before.
以前我们买过一辆车。

4. highlight vt. 强调, 突出, 使显著
例句：The President highlights the importance of his visit to China.
总统强调访问中国的重要性。

5. account n. 账, 账户
例句：The sum of money has been transferred into my account.
那笔钱已转到我账上。

6. differentiate v. 区分, 区别, 辨别
例句：He cannot differentiate the two flowers.
他无法辨认这两种花。

7. individualize vt. 使个性化，使具有个人特色；使个体化
例句：His writing style strongly individualizes his work.
他的写作风格使他的作品带有显著的个性。

8. single adj. 独特的,唯一的
例句：The child was the single survivor of the air-crash.
这孩子是那次飞机坠毁事故的唯一幸存者。

9. survey n. 调查
例句：The reporter is doing a survey of public attitudes.
那位记者正在进行民意调查。

10. pilot n. (飞机等的)驾驶员,飞行员
例句：The flying school graduates a hundred pilots a year.
这个飞行学校一年毕业一百名飞行员。