Tonight is the full moon.今晚是满月满. 满月 = full month, it is used to mean a celebration when a baby reaches one month of maturity.  A very important celebration for the Chinese family.

Do Did you see the moon should be looking at in the night sky? It's a beautiful full moon.
你有沒有看月亮应该看夜空 的月亮嗎？真这是一个美丽啊的满一月. Understood by context.  If you really want to translate from English, would say, 这么漂亮的一个园月. 月滿 is rather poetic, OK for a title but not in a contextual sentence like like.  If you like to express in a poetic style, then it can be, 月滿華丽

Tonight is the full moon.今晚是满月.

Do you see the moon should be looking at the night sky? It's a beautiful full moon.
你看月亮应该看夜空？这是一个美丽的满月.

你看到夜空中那明月了吗？

今晚是满月.

你看月亮应该看夜空？这是一个美丽的满月.