月つき周しゅう回かい軌き道どうつきしゅうかいきどうMeanings1nounlunar orbitastronomyTechnical term in astronomy referring to an orbit around the Moon.探たん査さ機きは月つき周しゅう回かい軌き道どうに投とう入にゅうされた。The probe was inserted into lunar orbit.
