v. 主持，主管( preside的过去式和过去分词 )；

[例句] The PM presided over a meeting of his inner Cabinet...

[例句] He presided at the trial of the Maguire Seven...

v. 犯（罪），作（恶），做（坏事）( perpetrate的过去式和过去分词 )；

[例句] A high proportion of crime in any country is perpetrated by young males in their teens and twenties...

[例句] Tremendous wrongs were being perpetrated on the poorest and least privileged human beings...

v. （使某物）伸出，（使某物）突出( protrude的过去式和过去分词 )；

[例句] ...a huge round mass of smooth rock protruding from the water...

[例句] The tip of her tongue was protruding slightly.

v. 用针别住(pin的过去分词)，刺穿，牵制；adj. 用针别住的，被压制的；

n. 突然的剧痛( pang的名词复数 )，悲痛；

[例句] For a moment she felt a pang of guilt about the way she was treating him.

[例句] ...hunger pangs.

n. 队伍，行列( procession的名词复数 )，列队行进；

[例句] ...a funeral procession.

[例句] ...religious processions.

v. （在文字中）加标点符号，加标点( punctuate的过去式和过去分词 )，不时打断某事物；

[例句] The silence of the night was punctuated by the distant rumble of traffic.

n. 招贴( placard的名词复数 )，标语牌，海报；

[例句] The protesters sang songs and waved placards.

n. 百事可乐（一种饮料）；

n. 声明，公告( pronouncement的名词复数 )；

[例句] ...the President's latest pronouncements about the protection of minorities.

v. 污染( pollute的第三人称单数 )，腐蚀；

[例句] Heavy industry pollutes our rivers with noxious chemicals...

[例句] A number of beaches in the region have been polluted by sewage pumped into the Irish Sea.

v. 给…传授花粉( pollinate的过去式和过去分词 )；

[例句] Many of the indigenous insects are needed to pollinate the local plants.

n. 怀孕，妊娠( pregnancy的名词复数 )；

[例句] It would be wiser to cut out all alcohol during pregnancy...

[例句] She was exhausted by eight pregnancies in 13 years.

n. 消遣，娱乐( pastime的名词复数 )；

[例句] His favourite pastime is golf.

n. 水坑， （尤指道路上的）雨水坑( puddle的名词复数 )；

[例句] The road was shiny with puddles, but the rain was at an end.

[例句] ...puddles of oil.

n. 爱国者，爱国主义者( patriot的名词复数 )；

[例句] They were staunch British patriots and had portraits of the Queen in their flat.

n. 反向性( polarity的名词复数 )，分歧，对立，极性；

[例句] ...the ideological polarity between nations.

[例句] ...the polarities of good and evil...

v. 延长，拉长，拖延( prolong的现在分词 )；

[例句] Mr Chesler said foreign military aid was prolonging the war...

[例句] The actual action of the drug can be prolonged significantly.

n. （常指不满一岁的）小狗(puppy的复数)，小狗，幼犬( puppy的名词复数 )，浅薄自负的年轻男子；

[例句] One Sunday he began trying to teach the two puppies to walk on a leash.

v. 关于( pertain的过去式和过去分词 )，有关，存在，适用；

[例句] The restrictions he imposed pertained to the type and height of buildings and the activities for which they could be used...

[例句] I would much rather that you asked Mrs Zuckerman any questions pertaining to herself.