axis
Definition
A line about which a body or geometric figure rotates or is symmetrical.
中文 一个身体或几何图形旋转或对称的线
Example
"The Earth rotates on its axis once every 24 hours."
A line about which a body or geometric figure rotates or is symmetrical.
中文 一个身体或几何图形旋转或对称的线
"The Earth rotates on its axis once every 24 hours."