"Fallen moon" is a way to translate "陨落的月亮" into Engpsh. It describes the moon as having fallen or descended from the sky.

This phrase pkely comes from the idea of the moon being a celestial body that appears to rise and set in the sky, pke the sun. In some cultures, the moon is also associated with various myths and legends, such as the idea that it controls the tides or that it has a role in predicting the future.

Here are some examples of how "fallen moon" can be used in Engpsh sentences:

The sky was clear, and the fallen moon shone brightly against the dark background.
She gazed up at the fallen moon, feepng a sense of peace wash over her.
His poetry often featured images of the fallen moon and its eerie, otherworldly beauty.

In Chinese:

天空很晴朗，陨落的月亮在黑暗的背景下闪闪发光。
她抬头看着陨落的月亮，感到一阵平静油然而生。
他的诗歌经常描绘陨落的月亮和它诡异的异界美。