(noun.) a shape that is generated by rotating an ellipse around one of its axes; 'it looked like a sphere but on closer examination I saw it was really a spheroid'.
整理:帕斯夸里
双语例句
The earth is not, however, an exact sphere, but is very slightly flattened at the poles, so as to have the form known as an oblate spheroid. 佚名.神奇的知识之书.