n. 盎司，少量，一点儿，雪豹；

[例句] ...four ounces of sugar.

[例句] If only my father had possessed an ounce of business sense...

n. 遵守，奉行，（宗教的，正式的）仪式，惯例，庆祝；

[例句] Local councils should use their powers to ensure strict observance of laws.

n. 严峻的考验，苦难的经验，折磨，神判法；

[例句] ...the painful ordeal of the last eight months...

[例句] She described her agonising ordeal.

n. 顽固，顽强，（病痛等的）难治，顽固的事例；

[例句] He is obstinate and determined and will not give up...

[例句] She was a wicked and obstinate child.

n. 办公室( office的名词复数 )，公职，（政府部门的）部，有特定用途的房间[建筑物]；

[例句] He had an office big enough for his desk and chair, plus his VDU...

[例句] At about 4.30 p.m. Audrey arrived at the office...

n. 歌剧，歌剧艺术， 歌剧业，作品( opus的名词复数 )，

[例句] ...a one-act opera about contemporary women in America.

[例句] ...Donizetti's opera 'Lucia di Lammermoor'.

adv. 偶尔，偶然，有时候；

[例句] I've had occasional mild headaches all my life...

[例句] Esther used to visit him for the occasional days and weekends.

n. 矿，矿石，矿砂；

[例句] ...a huge iron ore mine.

n. 条例，法令，传统的风俗习惯，[宗]仪式，（尤指）圣餐式；

[例句] ...ordinances that restrict building development.

adj. 顽固的，执拗的，麻木不仁的，冷酷无情的；

[例句] Parts of the administration may be changing but others have been obdurate defenders of the status quo.

adj. 奉承拍马的，卑躬屈膝的，谄媚的；

[例句] Barrow was positively obsequious to me until he learnt that I too was the son of a labouring man.

adj. 无所不知的；

[例句] ...a benevolent and omniscient deity.

[例句] ...the Financial Times's omniscient data-gathering network.

adv. 官方地，正式地，公务上；

[例句] According to the official figures, over one thousand people died during the revolution...

[例句] An official announcement is expected in the next few days...

n. 罪犯，得罪人的人，犯规者，妨害…的人（或事物）；

[例句] The authorities often know that sex offenders will attack again when they are released.

[例句] The contraceptive pill is the worst offender, but it is not the only drug to deplete the body's vitamin levels.

n. （喝彩声、叫好声）好哇！干得好！，（受雇于人的）杀手，刺客，亡命徒；int. 好极了；vt. 向…喝彩叫好；

[例句] 'Bravo, Rena! You're right,' the students said.

n. 火山；

[例句] The volcano erupted last year killing about 600 people...

[例句] Etna is Europe's most active volcano.

n. 桨，橹，划手；vi. 划（行）；

n. 后代，子孙，产物，结果，（动物的）崽，幼苗；

[例句] Eleanor was now less anxious about her offspring than she had once been.

n. （沙漠中的）绿洲，（困苦中）令人快慰的地方（或时刻），乐土，宜人之地，慰藉物；

[例句] The immaculately tended gardens are an oasis in the midst of Cairo's urban sprawl.

vt. 使振荡，使振动，使动摇；vi. 持续周期性地摆动，动摇，犹豫：犹豫不决，动摇，犹豫：犹豫不决；

[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...