Phase velocity

phase [fez]

n. 相，周相;阶段;[物理学]相位;方面，侧面; vt. 分阶段实行;调整相位; vi. 分阶段进行;

phan, fan, pha =show,表示”显示,出现”

velocity [və'lɑsəti]

n. 速率，速度;周转率;高速，快速;

veloc快的+ity表名词→速度,速率

I look silly! It is too small!

我看来很滑稽 ，它太小了！

Not really, I'm afraid. We were delayed taking off, and we encountered a lot of bad weather.

不太好，我们起飞延误了，还遭遇了恶劣的气候。

On the subject of reading, Francis Bacon, who lived at about the same time as shakespeare, wrote these words, Some books are to be tasted, others to be swallowed, and some few to be chewed and digested. This good advice shows how it is possible to read

“有些书是应当尝尝滋味的，有些书是应当吞食下去的，有少数书是应当咀嚼和消化的。”这个忠告很好，它表明可以用不同的方法来阅读不同类型的书。