○○○ microscopic ⪢⪢
You will often see snakes flicking their tongue in and out. Again this snake is not being rude. It is actually tasting the air - collect
ing microscopic particles which it can analyze using a special organ in the roof of its mouth.
○○○ government ⪢⪢
A central government that collect
s taxes and spends money and a central bank which is different from other buyers and sellers because it controls the amount of money and credit in the economy.
A great next step is to go to youglish dot com. It's a collect
ion of YouTube videos with subtitles and you can search for a particular word or phrase and then filter by American English.