You can use some cans ,conserve them in refrigerators then save them in the drawers loll joking ,,
Reading and repeating a lot will help you memorize ,it takes time and effort .
Listening to lots of vocabulary through music , tv ,people speaking etc will help you learn and increase your vocabulary then by repeating it will somehow stay in your mind .
Applying what you learned by speaking , chatting , using it at work or with friends will help keeping it too . !