crownwheel

例句：

1. 1. The car's engine is a marvel of engineering, with a crownwheel that spins at speeds up to 200 miles per hour.
   这辆车的引擎是工程奇迹，有一个能在每小时200英里速度下旋转的冠轮。
2. 2. The design of the crownwheel is so intricate that it has become a symbol of excellence inautomotive engineering.
   冠轮的设计如此复杂，以至于它已经成为汽车工程卓越的象征。
3. 3. The engineers spent months perfecting the crownwheel system, which allowed for faster and more efficient transportation.
   工程师们花了数月时间完善冠轮系统，这使得运输更快且更有效。