Yí wèi shàofù bào zhe yīng'ér zuò zài gōngyuán de chángyǐ shàng.
A young married woman sat on a park bench holding a baby.
Tips
usage
少妇 specifically refers to a young married woman, typically in her 20s or 30s. It is neutral to slightly literary in tone. 少女 refers to a young unmarried girl/teenager.