照片
zhào piàn
photograph
picture; CL:張|张[zhang1],套[tao4],幅[fu2]
illuminate (照) + flat sheet (片) = photograph
照 combines the idea of illuminating or shining light with the action of capturing, while 片 represents a flat sheet or slice. Together they form the concept of capturing light on a flat surface, which is exactly what photography does.
这张照片里有我的家人。
zhè zhāng zhào piàn lǐ yǒu wǒ de jiā rén。
this photograph has my family in it.
她把旅行时拍的照片给我们看。
tā bǎ lǚ xíng shí pāi de zhào piàn gěi wǒ men kàn。
she showed us the photographs she took while traveling.