planetary system的用法和樣例:
例句
- Travel to the planetary systems of other stars is a much more formidable undertaking.
要航行到其他恆星的行星系中去是件極難實現的事。 - Astronomers today announced the discovery of another planet orbiting a distant star, making it the most crowded planetary system outside our own.
天文學家今日宣布發現另一個繞遙遠恆星飛行的行星,它是一個最多的行星系中的一員,而不是我們這個行星系。