1. primary ['praɪm(ə)rɪ] 
adj. 主要的；初级的；基本的n. 原色；最主要者
His misunderstanding of language was the primary cause of his other problems. 他对语言的误解是他其他问题的主要原因。

2. primitive ['prɪmɪtɪv] 
adj. 原始的，远古的；简单的，粗糙的
Primitive tribes lived by fishing, hunting and gathering. 原始部落靠渔猎采集为生。

3. release [rɪ'liːs] 
vt. 释放；发射；让与；允许发表n. 释放；发布；让与
We have to release the news before 5 o'clock tomorrow morning. 我们必须在明晨五点以前将这条新闻发布出去。

4. deliver [dɪ'lɪvə] 
v. 交付；发表；递送；释放；给予（打击）；给…接生
The president will deliver a speech about schools. 校长将发表关于学校的演讲。

5. announce [ə'naʊns] 
v. 宣布；述说；预示；播报
Peter announced that he had no intention of wasting his time at any university. 彼得声明他无意在任何一所大学里浪费他的时间。

6. remind [rɪ'maɪnd] 
vt. 提醒；使想起
She reminds me of the wife of the pilot who used to work for you. 她使我想起曾为你工作过的飞行员之妻。

7. temporary ['temp(ə)rərɪ] 
adj. 暂时的，临时的
The supermarket is taking on a few temporary assistants for the Christmas season. 这家超市正在招收几名圣诞节期间上班的临时店员。

8. likewise ['laɪkwaɪz] 
adv. 同样地；也
What is fair for homeowners likewise should be fair to businesses. 对私房业主公平的，同样也该对商家公平。

9. prudent ['pruːd(ə)nt] 
adj. 谨慎的；精明的；节俭的
It is clearly prudent to take all precautions. 采取一切防范措施显然是慎重的。