ro
ta
tion
复数形式
rotations
1
a single complete circular movement around an axis or along an orbit
- One full rotation of the Earth takes twenty-four hours.
- The rotation of the tires was measured in revolutions per minute.
- Each rotation of the hand wheel raises the platform slightly.
- The moon completes one rotation per orbit around the Earth.
- The model shows the rotation of planets in the solar system.
同义词：
2
the act of turning around a central point or axis
- The wheel's rotation was smooth and steady.
- The dancer's rotation impressed the audience.
- Machines require balanced rotation to operate safely.
- The camera captured the rotation of the propeller.
- Friction gradually slowed the object's rotation.
3
轮作, 作物轮换
the process of changing the crops grown in a particular field each season to maintain soil health and reduce pests
- Crop rotation helps prevent soil depletion by varying the crops planted.
轮作通过改变种植的作物来帮助防止土壤耗竭。
- The farmer practiced rotation to improve soil fertility.
农民实行轮作以提高土壤肥力。
- Rotation of crops also reduces the buildup of pests in the soil.
作物轮作还可以减少土壤中害虫的积累。
- They used a simple rotation of corn and beans to keep the land healthy.
他们使用了玉米和豆类的简单轮作来保持土地的健康。
- With rotation, different plants are used each year to protect the environment.
通过轮作，每年使用不同的植物来保护环境。
4
a transformation that turns a figure or coordinate system by a fixed angle about a point or origin
- The rotation of the graph shifted all points by 90 degrees.
- A 45-degree rotation aligned the figure with the new axis.
- The rotation preserved the shape but changed its orientation.
- Rotation in geometry does not alter size or proportion.
- The software applied a rotation to the coordinate plane.