The tour guide gave a running commentary from the front of the coach.
导游在旅游车的前部向游客作连续的现场解说.
From the passenger seat, he kept up a running commentary on her driving.
他坐在乘客座位上评论她的驾驶技术.
One who writes or delivers a commentary or commentaries.
注释者编写或发出一篇评论或多篇评论的人