TO EXPLORE - [verb] to travel into a place in order to find out sth about it; to investigate into
Examples of use
Roald Amundsen is said to have been the first to explore the North Pole.
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English speaking practise
Remember that if you don't use that word in English conversations or writing you'll forget it in a short time. So the best thing you can do to learn this word is just trying to use it in speaking or writing. Remember also that practise is the key to fluent english speaking.
You can always find a partner, who would also like to improve his/her