詞典釋義：

45

forty-five n.每分鐘４５轉的密紋唱片；單曲唱片

常用

常用

短語搭配

1. 砍下45分

pour in 45 points

雙語例句

1. 每個人的考試都花了45分鐘。

Each examination took 45 minutes for each person.

2. 早上，我們8：45去學校。

In the morning, we go to our school at 8:45.

3. 第一個工作日，蒂娜早上8：45到了。

On her first workday, Tina arrived at 8:45 am.

4. 塑膠現在應該形成一個45度角的圓錐。

The plastic should now form a cone (圓錐體) with 45-degree-angled sides.

5. 消防隊員趕到時，大火已經燃燒了45分鐘。

It had burned for 45 minutes by the time firefighters arrived.

6. 他每月給那些救助貓的人5000日元，約合45美元。

He gives 5,000 yen, about 45 US dollars a month to those who rescue a cat.

7. 這所學校每節課上45分鐘。

Classes meet for forty-five minutes at this school.

8. 他丟了王后，走到45步就認輸了。

He lost his Queen and resigned in 45 moves.

9. 他的財產估計有45,000英鎊。

His estate was valued at ￡45, 000 .

10. 襟翼４５°、速度６０節的進場著陸。

[mass noun]a final approach at sixty knots with 45° of flap.

百科

45

45（四十五）是44與46之間的自然數。同時45也是奇數，不是質數，相反數-45，五九四十五。