/ˈmɪləˌtɛri eɪdʒ/ – Phrase
Definition: tuổi gọi nhập ngũ, tuổi làm nghĩa vụ quân sự.
A more thorough explanation: Military age refers to the age at which individuals are legally eligible to serve in the military or be subject to conscription. The specific age may vary depending on the country and its laws and regulations regarding military service.
Example: The military age for enlisting in the armed forces is typically between 18 and 35 years old.