Translation guide
A specific Buddhist cosmological term referring to one of the six heavens within the realm of desire (欲界, yokkai). This is a technical religious concept with no common everyday usage.
To refer to one of the six heavens in the desire realm of Buddhist cosmology.
Standard phrase meaning 'one of the six heavens of the desire realm'. This is the most direct and natural way to express the concept in Japanese.
兜率天は六欲天の一つです。
The Tuṣita heaven is one of the six heavens of the desire realm.
A slightly more explicit phrasing: 'one among the six heavens of the desire realm'. Used in explanatory contexts.
この天は欲界の六天のうちの一つにあたります。
This heaven corresponds to one of the six heavens of the desire realm.
The term for the six heavens of the desire realm as a group. Can be used in context to imply 'one of these six', but is not a direct equivalent.
四天王天は六欲天の第一番目です。
The Heaven of the Four Heavenly Kings is the first of the six heavens of the desire realm.
This term is highly specialized and only used in discussions of Buddhist cosmology. In everyday conversation, it would not be understood without explanation. If you need to refer to a specific heaven, it's better to name it directly (e.g., 兜率天, 忉利天) and then explain its position within the six heavens if necessary.