| 单词 | 圆轨道 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔eccentric〕Deviating from a circular form or path, as in an elliptical orbit.偏离轨道运行的：偏离圆周轨道或路线，如椭圆轨道美国传统〔perigee〕The point in any orbit nearest to the body being orbited.最近点：围绕任何物体的椭圆轨道上离被围绕物最近的一点美国传统〔perigee〕The point nearest the earth's center in the orbit of the moon or a satellite.近地点：在月球或其它卫星绕地运行的椭圆轨道上最靠近地球的一点美国传统〔perihelion〕The point nearest the sun in the orbit of a planet or other celestial body.近日点：绕日运行的行星或其它天体的椭圆轨道上离太阳最近的一点美国传统〔posit〕He posited that each planet moved in a perfect circle.他认为每颗行星沿正圆轨道运行。朗文当代The Earth revolves (Br) round/(Am and Aus) around (= moves around) the sun in an ellipse.地球以椭圆轨道围绕着太阳旋转。剑桥国际The comet is in an elliptical orbit which brings it close to the earth at regular intervals 彗星沿椭圆轨道运转，这使它有规律地靠近地球。剑桥国际 |
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