Vacuum pressure valves

vacuum ['vækjʊəm]

n. 真空;空白;空虚;清洁; v. 用真空吸尘器清扫;

vac空+uum表名词 →空虚；真空

pressure ['prɛʃɚ]

n. 压（力）;压力;气压（或血压）（的缩略形式）;压（迫）感; vi. 施加压力;迫使;使（机舱等）增压;

press挤压+ure名词后缀，表行为、状态 →压力

valves

n. 阀门；真空管；瓣膜（valve的复数）

Today I'm so happy; I found a new boyfriend.

今天我很高兴，我又找了个新男朋友。

Please try to focus your attention on the speaker.

请试着把注意力集中于演讲的人。

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。