彩色 / 黑白照片
a colour/black-and-white photo
a passport photo
a photo album (= a book for keeping your photos in)
I'll take a photo of you.
These are all words for a picture that has been made using a camera.
any picture that has been made using a camera
a photograph of the house
Can I take a photograph ?
short form of photograph
We took some photos of the city.
photo or photograph?
These two words have the same meaning and are used in the same way, but photo is more informal and more common in spoken language.
We had our picture taken in front of the hotel.
Picture is generally only used with this meaning if it cannot be confused with another type of picture, for example a drawing or painting.
a photograph; this word focuses more on the process of producing the photograph, rather than the finished item
I tried to get a shot of him in the water.
an informal photograph that is taken quickly, and not by a professional photographer
a painting, drawing or photograph of a person, especially of the head and shoulders. A portrait photograph is usually done by a professional photographer in a formal way.