The best way to learn proper English is to read news report, and watch news on TV. Watching TV shows is a great way to learn casual English, slang words, understand culture reference and humor. If you have already watched these shows then you may recall the words used in the following dialogs.

What it is is a cacophonous assault of
EUCALYPTUS, bayberry, cinnamon and vanilla.
The Big Bang Theory Season 2, Episode 11

when they smart munching
on EUCALYPTUS,
The Big Bang Theory Season 5, Episode 12