passive adj.被动的；消极的
It has been suggested that people who watch television incessantly may become overly passive.有证据显示，不断看电视的人会变得过于被动。
paste v.粘贴
It took me several hours to paste all the wallpaper onto the wall.几个小时才把所有壁纸贴在墙上。
patch n.片，块；补丁
The gardener planted a patch of roses.园艺师种了一小片玫瑰。
pattern n.式样，图案
The bright pattern of the monarch butterfly distracts its predators.黑脉金斑蝶身上闪亮的图案会分散捕食者的注意力。
peace n.和平，和睦
We enjoy theof the country.我们很享受乡村的宁静。
peculiar adj.①（人、地点、时间等）特有的，专有的②奇怪的，异常的
I was longing to get home—a desire peculiar to all people who travel for quite a long time.我盼望着回家----这是所有在外漂泊已久的人特有的一种渴望。
This peculiar behavior puzzles everyone who knows him.他奇怪的行为让所有认识他的人迷惑不解。
penetrate vt.穿透；渗透
The bullet penetrated the victim's chest and lodged itself just to the right of his heart.子弹穿透了受害者的胸部，正好停在他心脏的右边。
perceive vt.感知；察觉，发觉；理解，认识
The eyes perceive color and the ears perceive sound.眼睛可以识别颜色，耳朵可以感知声音。
performance n.履行；表演，演奏
They gave a superb performance of Arthur Miller's play The Crucible.他们精彩地演绎了亚瑟•米勒的戏剧《萨勒姆的女巫》。
periodicall adv.周期性地；定时性地
Some materials periodically demonstrate unusual behavior when frozen.个别材料在冷冻时会周期性地呈现出异常反应。