This is the 8017th most frequent Chinese word.
allison
The word "Allison" is not a standard Chinese word; it is a common English name.
Here, '爱丽森' ('Allison') is used as a proper noun, referring to the name of a person.
爱丽森是我的好朋友，她非常善良。
Allison is my good friend; she is very kind.
Here, '爱丽森' ('Allison') refers to a character's name in a literary context.
我读了一本关于爱丽森探险故事的书。
I read a book about Allison's adventure stories.
Here, '爱丽森' ('Allison') is referred to as a name generally, without contextual association to a specific person.