TO REACH - [verb] to get to a place or person; to stretch out your arm in order to touch or catch something
Examples of use
They reached the North Pole after three-month journey.
The customer reached for a bottle of milk, but he was not tall enough.
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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