chronological age
noun🔊/ˌkrɒnəˌlɒdʒɪkl ˈeɪdʒ/
🔊/ˌkrɑːnəˌlɑːdʒɪkl ˈeɪdʒ/
[uncountable, singular] (formal)the number of years a person has lived as opposed to their level of physical, mental or emotional development 实际年龄（相对于身体、智力或情感方面的发展而言）