"6:45 PM" in Engpsh.
This expression comes from the 12-hour clock system, where the day is divided into two 12-hour periods: AM (Ante Meridian) and PM (Post Meridian). AM refers to the period from midnight to noon, while PM refers to the period from noon to midnight.
Example sentence in Engpsh: "I'll meet you at the coffee shop at 6:45 PM."
中文翻译："我6:45 PM在咖啡馆碰头。"