commentate

动词 commentate:

1. make a commentary on
2. serve as a commentator, as in sportscasting

com.men.tate

v.（动词）
com.men.tat.ed,com.men.tat.ing,com.men.tates
v.intr.（不及物动词）
To serve as commentator.
担任评审员
v.tr.Usage Problem （及物动词）【用法疑难】
To make a running commentary on.
评说：对…不断地评论

来源：
Back-formation from commentator
源自 commentator的逆构词

Commentate, in the sense .to make a running commentary on,. as inshe commentated the fashion show, was unacceptable to a majority of the Usage Panel in an earlier survey.
Commentate 有.对…不断地评论.之意， 就象在她评论时装展示 ， 这种用法在用法专题使用小组以前的调查中是不被接受的