conj. 或，或者，还是，不然，否则，左右；prep. 在…之前，比…更早；n. [纹章]黑金色、黑色；

[例句] 'Tea or coffee?' John asked...

[例句] Was she blonde or brunette?...

v. 使不知所措，使难以承受，淹没，征服，压倒，击败，（感情或感觉）充溢；

[例句] He was overwhelmed by a longing for times past...

[例句] The need to talk to someone, anyone, overwhelmed her.

vt. 阻塞，堵塞，阻碍，阻止；vi. 阻塞，妨碍，（给…）设置障碍；

[例句] Tractors and container lorries have completely obstructed the road.

[例句] A number of local people have been arrested for trying to obstruct lorries loaded with logs...

n. 方向，定位，取向，排列方向，任职培训，新生培训，（外交等的）方针[态度]的确定，环境判定；

[例句] ...a marketing orientation...

[例句] To a society which has lost its orientation he has much to offer...

n. 义愤，愤慨，暴行，骇人听闻的事件；vt. 引起…的义愤，激怒，凌辱，强奸，虐待，迫害，违反；

[例句] Many people have been outraged by some of the things that have been said...

[例句] Reports of torture and mass executions in Serbia's detention camps have outraged the world's religious leaders.

n. 磁带录像，录像磁带，录像机，电视，（指方法）录像；adj. 电视的，视频的，影像的，用录像磁带[录像带]的；vt. 录像，制作…的录像；

[例句] We were watching videos with her.

[例句] ...the makers of films and videos.

n. 义务，责任，证券，契约，债务，恩惠；

[例句] When teachers assign homework, students usually feel an obligation to do it...

[例句] Ministers are under no obligation to follow the committee's recommendations.

adj. 对人友好的，开朗的，出发的，外出的，即将离职的，乐于助人的；

[例句] ...the outgoing director of the Edinburgh International Festival.

[例句] All outgoing flights were grounded.

n. 观察，观察力，评论，观察所得；

[例句] ...careful observation of the movement of the planets...

[例句] In hospital she'll be under observation all the time.

n. 军官，警官，高级职员，公务员，船长；v. 指挥，统率，管理，配置军官；

[例句] ...a retired British army officer...

[例句] Her husband served during the Civil War as an officer in the White Army.

adv. 在[向]海外，在[向]国外；adj. （在）海外的，（在）国外的，（向或来自）外国的；

[例句] He has returned to South Africa from his long overseas trip.

[例句] ...overseas trade figures.

n. 全面检修，（系统、体制等的）全面修改，修订；vt. 彻底检修，全面改革（制度、方法等），赶上（赛跑对手）；

[例句] They had ensured the plumbing was overhauled a year ago...

[例句] Our car was towed away to have its suspension overhauled.

n. 组织，机构，团体；adj. 有组织的；

[例句] Most of these specialized schools are provided by voluntary organizations.

[例句] ...a report by the International Labour Organisation.

n. 认可，同意；v. 赞成或同意，批准；int. 行，用以表达准许或同意之意；adj. 可以，不错；

[例句] ...a shooting range where it's OK to use weapons...

[例句] Is it okay if I come by myself?...

n. 机构，器官，风琴，元件；

[例句] ...damage to the muscles and internal organs.

[例句] ...the reproductive organs.

n. 犯罪，违反，冒犯，触怒，攻击；

[例句] Thirteen people have been charged with treason — an offence which can carry the death penalty...

[例句] In Britain the Consumer Protection Act makes it a criminal offence to sell goods that are unsafe.

vt. 引起，创始，创作，开始，发生，发明；vi. 起源于，来自，产生，起航；

[例句] The disease originated in Africa...

[例句] All carbohydrates originate from plants...

vt. 打倒，推翻，使屈服，征服，使瓦解，撞倒；n. 推翻，打倒，打翻，倾倒，[棒]投得过高的球；

[例句] That government was overthrown in a military coup three years ago.

[例句] ...an attempt to overthrow the president.

vt.& vi. （使）翻倒；vt. 使垮台，推翻，撤销（判决等）；n. 推翻，垮台，瓦解，灭亡，毁灭；

[例句] The lorry veered out of control, overturned and smashed into a wall...

[例句] Alex jumped up so violently that he overturned his glass of sherry...

adj. 年长的，老的( old的比较级 )，古老的，以前的，（用于指称被替代的东西） 原来的；

[例句] ...a white-haired old man...

[例句] He was considered too old for the job.