kilogram (n.) 公斤
I bought 3 kilograms of cherries.
chance (n.) 機會
He has a chance to visit other countries.
ostrich (n.) 鴕鳥
Ostrich is the tallest bird in the world.
Australia (n.) 澳洲
There are many kangaroos in Australia.
symbol (n.) 象徵、符號
Sun is the symbol of our country.