angle of pitch

例句：

1. 1. The angle of the roof is perfect for a sunny day.
   屋顶的角度非常适合阳光明媚的日子。
2. 2. The car's angle of approach was calculated to maximize fuel efficiency.
   汽车的接近角度被计算出来以最大化燃油效率。
3. 3. The angle of the sunrise is changing with the seasons.
   日出的角度随着季节的变化而变化。