Cách sử dụng
The word 'fly' can have many meanings. One meaning is when a bird or insect moves in the air by flapping its wings. Another meaning is when a person travels by plane. You can also use it to describe how someone moves quickly or easily, like "she's going to fly through that test." You can also use it as a verb to mean throwing something through the air, like "let's fly a kite." Finally, you can also use 'fly' as an adjective to describe something lightweight and easily moved, like "a fly ball in baseball."