daughter
The French word for 'daughter' is 'fille'. It is used in much the same way as in English. However, 'fille' can also mean 'girl', depending on the context. For example, 'ma fille' could mean 'my daughter' but 'une fille' could also mean 'a girl'.
The girl reads a book.
In French, 'La fille lit un livre' translates directly to 'The girl reads a book' in English. 'La fille' is the subject of the sentence, 'lit' is the verb indicating the action she is doing, and 'un livre' is the object she is reading.
This girl is my sister.
The French sentence 'Cette fille est ma soeur' translates to 'This girl is my sister' in English. 'Cette fille' means 'this girl', 'est' is the verb 'to be' in the third person singular, and 'ma soeur' means 'my sister'.
The girl eats an apple.
The phrase 'La fille mange une pomme' translates to 'The girl eats an apple' in English. 'La fille' indicates 'The girl', 'mange' is the verb 'to eat' in the third person singular form, and 'une pomme' means 'an apple'.