planetary orbit
英
美
- 行星轨道
双语例句
- The orientation of the planet's orbit is changing continuously.
该行星轨道的方向不断变化。 - Under proposed International Astronomical Union definitions, two planets that orbit each other around a barycenter between them are a binary planet.
根据国际天文学会的定义提出两个行星轨道周围的重心在彼此之间是双行星系统。
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