vt. 和…起冲突，和敌军起冲突，反抗，抗拒，相对：放在某事物对面以对比或平衡；vi. 对抗，对立；adj. 强烈反对某事物的，（表示对比）而，相对于，相反的，敌对的；

[例句] I am utterly opposed to any form of terrorism...

[例句] We are strongly opposed to the presence of America in this region.

n. 别的( other的名词复数 )，其他的，（两个中的）另一个，其余的；

[例句] They were just like any other young couple...

[例句] The communique gave no other details.

n. 物主身份，所有权，所有制，所有；

[例句] On January 23rd, America decided to relax its rules on the foreign ownership of its airlines.

[例句] ...the growth of home ownership in Britain...

vt. 使最优化，使尽可能有效；

[例句] Doctors are concentrating on understanding the disease better, and on optimizing the treatment...

[例句] The new systems have been optimised for running Microsoft Windows.

n. 省略，删节，遗漏，疏忽，[法]不履行法律责任；

[例句] The duke was surprised by his wife's omission from the guest list.

[例句] ...the prosecution's seemingly malicious omission of recorded evidence.

n. 乐观，乐观主义；

[例句] The Indian Prime Minister has expressed optimism about India's future relations with the USA.

[例句] ...a mood of cautious optimism.

adj. 必须的，应尽的，义务的，强制性的；

[例句] Most women will be offered an ultrasound scan during pregnancy, although it's not obligatory...

[例句] These rates do not include the charge for obligatory medical consultations.

adj. 眼睛的，视觉的，光学的，镜片；

[例句] The reason for this is that the optic nerve is a part of the brain.

n. 疏忽，监督，照管，失察，负责；

[例句] William was angered and embarrassed by his oversight...

[例句] By an unfortunate oversight, full instructions do not come with the product.

n. 振动，动摇，波动，振荡；

[例句] I checked to see if the needle indicating volume was oscillating.

[例句] The share price has oscillated between a five-year high of 157.25p in 1997 and this year's low of 91.5p...

n. 气味，臭气，声望，名誉；

[例句] The whole herb has a characteristic taste and odour...

[例句] The taste is only slightly bitter, and there is little odour.

adj. 油的，油质的，含油的，油多的，油腻的，油滑的，会奉承的；

[例句] He was wiping his hands on an oily rag...

[例句] When she was younger, she had very oily skin...

n. 管弦乐队，管弦乐队的全部乐器；

[例句] ...the Royal Liverpool Philharmonic Orchestra.

adj. 粗暴的，无法容忍的，反常的，令人惊讶的；

[例句] I must apologise for my outrageous behaviour...

[例句] Charges for local telephone calls are particularly outrageous.

vt. 夸大（某事），把…讲得过分，夸张；

[例句] The authors no doubt overstated their case with a view to catching the public's attention...

[例句] The importance of health education cannot be overstated.

n. 机会( occasion的名词复数 )，时刻，原因，需要；

[例句] I often think fondly of an occasion some years ago at Covent Garden...

[例句] Mr Davis has been asked on a number of occasions.

n. 天文台，气象台，瞭望台；

n. 攻击，袭击，开始，动手，[医]发病；

[例句] Most of the passes have been closed with the onset of winter...

[例句] With the onset of war, oil prices climbed past $30 a barrel.

n. 渗透（作用），潜移默化，耳濡目染；

[例句] ...the processes of diffusion and osmosis.

[例句] She allowed her life to be absorbed by his, taking on as if by osmosis his likes and dislikes.

vt. 使失色，使阴暗，夺去…的光辉，遮阴；

[例句] Fears for the President's safety could overshadow his peace-making mission...

[例句] Her childhood was overshadowed by her mother's incarceration in a psychiatric hospital.