Cách sử dụng
The word 'navy' usually refers to the group of people who work on large ships or submarines to protect a country's waters. It can also refer to the dark blue color that these ships are often painted. You can use the word 'navy' when talking about military ships, sailors, or anything related to this type of group. For example, "My uncle served in the navy for 15 years" or "I like this dress because it's navy blue".