满月 + 的时候
The term 满月 (mǎnyuè) describes the full moon, when the moon appears as a complete circle. It is used in both astronomical and cultural contexts, especially during festivals like the Mid-Autumn Festival. For example, 满月的时候 means "when there is a full moon."
中秋节那天正好是满月。
Zhōngqiūjié nà tiān zhènghǎo shì mǎnyuè.
The Mid-Autumn Festival falls exactly on a full moon.
满月的夜晚,海边特别美。
Mǎnyuè de yèwǎn, hǎibiān tèbié měi.
On a full moon night, the seaside is especially beautiful.
她站在窗前看着天上的满月。
Tā zhàn zài chuāng qián kànzhe tiānshang de mǎnyuè.
She stood by the window gazing at the full moon in the sky.