They are inseparable friends.

Meaning: This sentence states that the girl and her doll have a very close and strong friendship.

Choice of Words: The words "they", "are", "inseparable", "friends" are all common words that are easy for English learners to understand. The word "they" refers to two or more people, "are" is used to indicate a state of being, "inseparable" means unable to be separated or divided, and "friends" refers to people who have a bond of mutual affection.

Alternative Expressions

Related Expressions