1. authority n.
Authority is the right to command and control other people.  权力；管辖权；当权（地位）
The judge had no authority to order a second trial.

2. parliament n.
The parliament of some countries, for example Britain, is the group of people who make or change its laws, and decide what policies the country should follow.  议会, 国会
Parliament today approved the policy, but it has not yet become law.

3. rostrum n.
A rostrum is a raised platform on which someone stands when they are speaking to an audience, receiving a prize, or conducting an orchestra. 讲坛,演讲台
As he stood on the winner's rostrum, he sang the words of the national anthem.

4. unification n.
Unification is the process by which two or more countries join together and become one country. 统一,联合,一致
...the process of general European unification.

5. dominant adj.
Someone or something that is dominant is more powerful, successful, influential, or noticeable than other people or things. 统治的, 支配的
...a change which would maintain his party's dominant position in Scotland...

6. Celtic adj.
If you describe something as Celtic, you mean that it is connected with the people and the culture of Scotland, Wales, Ireland, and some other areas such as Brittany.  凯尔特人的
...important figures in Celtic tradition.

7. Germanic adj.
Germanic is used to describe the ancient culture and language of the peoples of northern Europe. 日耳曼人(或民族)的
...the Germanic tribes of pre-Christian Europe.

8. dialect n.
A dialect is a form of a language that is spoken in a particular area.  方言, 土语
In the fifties, many Italians spoke only local dialect...
They began to speak rapidly in dialect.

9. identity n.
Your identity is who you are. 身份
Abu is not his real name, but it's one he uses to disguise his identity...

10. assert v.
If you assert your authority, you make it clear by your behaviour that you have authority. 维护, 坚持
After the war, the army made an attempt to assert its authority in the south of the country...

11. monarch n.
The monarch of a country is the king, queen, emperor, or empress. 君主, 帝王

12. umbrella n.
Umbrella is used to refer to a system or agreement which protects a country or group of people. 起保护作用的力量[势力]
The major powers have chosen to act under the moral umbrella of the United Nations...

13. congress n.
A congress is a large meeting that is held to discuss ideas and policies. 国会, 议会
A lot has changed after the party congress.

14. pertain v.
If one thing pertains to another, it relates, belongs, or applies to it. (FORMAL) 关于, 有关
...matters pertaining to naval district defense.

15. loyalty n.
Loyalty is the quality of staying firm in your friendship or support for someone or something. 忠诚, 忠心
I have sworn an oath of loyalty to the monarchy...
This is seen as a reward for the army's loyalty during a barracks revolt earlier this month.

16. migration n.
If people migrate, they move from one place to another, especially in order to find work or to live somewhere for a short time. 迁移；移居；迁徙
People migrate to cities like Jakarta in search of work...
Farmers have learned that they have to migrate if they want to survive.
migration
...the migration of Soviet Jews to Israel.

17. Caribbean n.
The Caribbean is the sea which is between the West Indies, Central America and the north coast of South America. 加勒比海

18. descent n.
You use descent to talk about a person's family background, for example their nationality or social status. (FORMAL) 血统, 出身, 门第
All the contributors were of African descent.
= origin, ancestry

19. Bangladesh n.
* Bangladeshi adj.
Bangladeshi means belonging to or relating to Bangladesh, or to its people or culture. (有关)孟加拉国的;(有关)孟加拉人的

20. crossover n.
A crossover of one style and another, especially in music or fashion, is a combination of the two different styles. 转型; 转向
...the contemporary crossover of pop, jazz and funk.