C1 noun /ˈhaɪ.nəs/
Highness
陛下; 王室头衔
Meaning
a title given to a person of royal rank; the quality or state of being high or elevated
Example
Your Highness, the royal carriage is ready to take you to the state banquet this evening.
陛下,皇家马车已准备好将您带到今晚的国宴。