From coal to cabernet: the wine seller using a flooded mine to cut heating bills
Listen to Course
0:00
0:00
Recommended Courses
Learner Reviews
Write a review
Key vocabulary words with IPA pronunciation, definitions, example sentences, and interactive quizzes.
Phrases with type tags, bilingual definitions, usage notes, and example sentences.
A natural source of energy that is not depleted by use, such as water, wind, or solar power.
A device that transfers heat from a colder area to a hotter area by using mechanical energy.
Natural fuels such as coal or gas, formed in the geological past from the remains of living organisms.
A small number of people or things.