7点45分用英语怎么写 (含例句)

1. 用数字表示时间：7:45

这是最常见的表示时间的方式，用数字精确地表示出时分，读作“Seven forty-five"。

例句：

- I have to wake up at 7:45 to catch the 8:15 train.

- The meeting starts at 7:45 sharp, so please be on time.

- The restaurant opens at 7:45 in the morning and closes at 10 pm.

2. 用口语表达时间：quarter to eight

英语中也有一些口语表达时间的方式，例如“quarter to eight"表示7点45分，意思是距离8点还有15分钟的时候。

例句：

- We'll meet at the park at quarter to eight, okay?

- It's already quarter to eight, we need to hurry up.

- She arrived at the airport at quarter to eight, but the flight was delayed.

3. 用24小时制表示时间：19:45

在一些场合，特别是军事和航空领域，使用24小时制来表示时间，即把小时数从1到12改为从0到23。

例句：

- The curfew starts at 19:45 and ends at 6 am.

- The flight is scheduled to depart at 19:45 and arrive at 22:30.

- The concert will begin at 19:45 and last for two hours.

4. 用文字描述时间：quarter to eight in the morning/evening

有时候需要将时间和具体的时间段结合起来，用文字来描述，比如“quarter to eight in the morning"（早上七点四十五分）或“quarter to eight in the evening"（晚上七点四十五分）。

例句：

- I usually go jogging at quarter to eight in the morning.

- We'll have dinner together at my place at quarter to eight in the evening.

- The temperature drops significantly at quarter to eight in the evening.

5. 用缩写表示时间：7:45am/pm

在书面语中，为了节省空间，可以使用缩写来表示特定的时间段，例如"am"表示上午，"pm"表示下午。

例句：

- I have an appointment with my doctor at 7:45am tomorrow.

- The movie starts at 7:45pm, don't be late.

- The museum opens at 9am and closes at 5pm, except on Fridays when it stays open until 7:45pm.