encounter后面可以加的介词有 in,with,on

原因是依据词典介绍

encounter in在……遇到

eg:You can correct any errors that you encounter in the model.

encounter with,意思是 遭遇,遇到

eg:The author tells of a remarkable encounter with a group of South Vietnamese soldiers.

encounter on,意思是遇到……的情况,在……偶遇

eg:This is the sort of question you might encounter on an IQ test.

所以encounter后的介词常见的有in,on,with