【词汇讲解】
1.calculate v. 计算，估计，核算，计划，认为
如：The scientists calculated when the spacecraft would reach the moon.
科学家推算出宇宙飞船抵达月球的时间。
The government has to calculate the likely effects on revenues of a big drop in the oil price.
政府必须估算出油价大幅度下降对财政收入可能产生的影响。
2.Dexterity n. 灵巧，机敏，手艺
如：Manual skill and dexterity in the execution of tricks; sleight of hand.
手法敏捷变戏法时手法的熟练和敏捷; 戏法
The negotiations will call for considerable dexterity.
进行这些谈判需要相当圆滑的手腕。
3.layout n. 布局，安排，设计
如：Please fax me the layout for the new catalogue.
请用传真机把新目录的版面编排图样传送给我。
A layout of an image to be printed, such as a book cover.
杂凑而成的东西将要印刷的图案设计，如书的封面
4.memorize v. 记住，记录，记下
如：If you memorize a poem, you can say it without looking at a book.
你若记住一首诗，不看书就能脱口而出。
She can memorize facts very quickly.
她能很快记住许多资料。
An actor must be able to memorize his lines.
演员须善於熟记台词。