Теория:

To speak about British English, you need some words. Part 1
  
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mother tongue – родной язык

summit meeting – совещание в верхах

discovery – открытие

to publish – публиковать

educated – образованный

to regard – считать, рассматривать

prestigious – престижный

pronunciation – произношение

received pronunciation – нормативное произношение

combination – сочетание

compulsory – обязательный
 
Examples:
 
English is a compulsory subject at our school.
  
She is a very educated person. She speaks a lot of foreign languages. 
Источники:
http://bridgesafghanistan.com/