Long since The dolls in the collection,all more than weo hundred years old,had been carfully carved for children long since gone.

Long since The dolls in the collection,all more than weo hundred years old,had been carfully carved for children long since gone.
Long since
The dolls in the collection,all more than weo hundred years old,had been carfully carved for children long since gone.

Long since The dolls in the collection,all more than weo hundred years old,had been carfully carved for children long since gone.
晕..
看了补充才明白.
long在此修饰for children,表示“很长一段时间以来就作为儿童的玩具”
since gone表示“拿开”或者“被拿走”是“since it has been gone”的省略形式,具体由上下文看.
全句的意思是“收藏中的那个超过200年历史的洋娃娃,自从被拿走以来已经被精心雕刻并作为儿童玩具很久了.

过去已经很久了

离开很久了。