The noun 倒影 (dàoyǐng) means "reflection," specifically an inverted image seen in water, a mirror, or another reflective surface. It combines 倒 (inverted) with 影 (image/shadow). It is commonly used in literary and descriptive contexts to create vivid imagery.
湖面上映出了远山的倒影。
hú miàn shàng yìng chū le yuǎn shān de dàoyǐng.
The reflection of the distant mountains appeared on the surface of the lake.
她站在桥上,看着水中自己的倒影。
tā zhàn zài qiáo shàng, kàn zhe shuǐ zhōng zìjǐ de dàoyǐng.
She stood on the bridge, looking at her own reflection in the water.
夕阳下,高楼的倒影在河面上微微晃动。
xīyáng xià, gāolóu de dàoyǐng zài hé miàn shàng wēiwēi huàngdòng.
In the sunset, the reflections of the tall buildings swayed gently on the river.