Rotation
01
a single complete circular movement around an axis or along an orbit
例子
One full rotation of the Earth takes twenty-four hours.
The rotation of the tires was measured in revolutions per minute.
02
the act of turning around a central point or axis
例子
The wheel 's rotation was smooth and steady.
The dancer 's rotation impressed the audience.
03
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
例子
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。
04
a transformation that turns a figure or coordinate system by a fixed angle about a point or origin
例子
The rotation of the graph shifted all points by 90 degrees.
A 45-degree rotation aligned the figure with the new axis.
