preserve - to keep something as it is, especially in order to prevent it from decaying or being damaged or destroyed, peasant - a poor person who works on the land, usually in a poor country, contribute - to add new plans or ideas, or help make improvements to something so that it becomes more valuable or successful, inhabitant - a person or animal that lives in a particular place, revive - to come or bring something back to life, health, existence, or use, ​extinct - no longer in existence in society, decline - a situation in which something becomes less in amount, importance, quality, or strength, evidence - something that makes you believe that something is true or exists, efficiency - good use of time and energy, without wasting any, hit it off - to like someone and become friendly immediately, put your foot in it - to say something by accident that embarrasses or upsets someone, at (your) ease - relaxed, row / have a row - a noisy argument or fight, establish something - to start having a relationship, especially a formal one, with another person, group or country,

Vocabulary revision (Navigate B2. Unit 1: 1.1-1.3)

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