| A | B |
|---|
| however | CONJUNCTION - but (more formal) |
| expert | NOUN - someone who has a lot of skill and knowledge about a subject |
| interrupt | VERB - stop someone from speaking by suddenly doing or saying something |
| universe | NOUN - all of space, including the sun, stars, planets |
| property | NOUN - land, buildings, and things that you own |
| structure | NOUN - the way that the parts of something connect and make a whole |
| peace | NOUN - no fighting or war |
| establish | VERB - start a company, system, or situation (formal) |
| opponent | NOUN - someone who tries to defeat another in a game or competition |
| citizen | NOUN - a person who lives in a place and has all the legal rights of that country |
| refugee | someone who had to leave his / her country, often because of war |
| throughout | in every part of a place or time |
| Jewish | ADJ - describes someone who follows the religion of Judaism or who is related to people that in ancient times lived in Israel |
| physics | the science of light, heat, movement, and objects |
| instead | in the place of another person or thing |
| patent office | the government department that registers the owners of inventions and projects |
| technical | related to science |
| spare time | the time when you're not working / studying / taking care of family |
| publish | arrange for something that wrote to be printed and sold for people to read |
| theory of relativity | Einstein's theory explains how space and time are related |
| research | study |
| position | job |
| lecture | a long talk about a subject |
| theory | an idea or explanation for how something works |
| Nazi | the leading political party in Germany during World War II |
| come to power | take control of something |
