This is the 5239th most frequent Chinese word.
不僅僅
"Not only" or "not just."
The term '不僅僅' is used to denote 'not only,' emphasizing that the subject has additional qualities or roles beyond the primary one mentioned.
他不僅僅是我的老师,也是我的朋友。
He is not only my teacher, but also my friend.
Here '不僅僅' emphasizes that the book's utility extends beyond one group (students) to include another group (teachers).
这本书不僅僅对学生有帮助,对老师也很有用。
This book is not only helpful for students but also very useful for teachers.
In this sentence, '不僅僅' introduces additional information about the weather, highlighting both its coldness and windy condition.