Photo, Photograph, Picture
noun
A copy of reality is a lot like magic. How do you make a copy of reality, though? You take a photo.
しゃしん
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
ここの写真をSNSに上げてもいいですか？
Can I post photos of this place on social media?
この写真、見て！お父さん、昔のまんま。変わったことと言えば、ちょっと太ったことくらいじゃない？
Look at this photo. Dad hasn't changed at all since then. Well, he's gained some weight, but nothing else has changed, right?
コウイチの高校時代の写真が流出してしまいました。
Koichi's picture from high school was leaked.