市长在一次正式讲话中，谈及了该城镇面临的问题。
In his address to the meeting, the mayor speak of the problem facing the town.
然而，当大多数人谈及多媒体时，他们通常是指混合了两种或两种以上连续的媒体，即，媒体可以在一段规定的时间之内连续播放，并且通常伴随着与用户的交互。
Nevertheless, when most people refer to multimedia, they generally mean the combination of two or more continuous media, that is, media have to be played during some well-defined timed times interval, usually With the users interaction.
他在讲演中谈及了计算机日益广泛的使用。
In his lecture, he spoke of the increasing use of computers.
