1. She was a simple, practical and hardworking woman.
    她是一个朴实、讲究实际工作的勤奋的妇女。

2. Students specialize in a particular type of practical joke: the hoax.
    大学生擅长一种特殊的恶作剧--戏弄人。

3. Moreover, as soon as new knowledge is acquired, it is now turned to practical account.
    而且，新知识一旦获得，便得到实际应用。

4. Many people in industry and the Services, who have practical experience of noise,
    在工业部门工作和在军队中服役的许多人对噪声音有切身的体会，

5. But of accumulated knowledge applied to practical life.
    而是积累起来的知识应用到实际生活中的结果。

6. It has never been explained why university students seem to enjoy practical jokes more than else.
    谁也弄不清为什么大学生好像比任何人都更喜欢恶作剧。