seminar 名词,研究班,研讨会, symposium 名词,座谈会,conference名词，讨论会，协商会，例句He is in conference and cannot come to the telephone.他在开会，没空接电话．meeting名词，会议，单纯的指会议，会议的统称，正在进行的会议，例如We will discuss the proposal at the meeting.我们将在会议上讨论这项提议．
个人觉得symposium档次要高于workshop。那我们都来查阅Merriam－Webster：symposium: a formal meeting at which several specialists deliver short addresses on a topic or on related topics 请仔细看看syposium的释义。看下例：With only modest fanfare, General Secretary Hu Jintao marked the day by attending a small-scale symposium and delivered a key-note speech. Nonetheless, his speech caught the world’s attention. 看这儿的large－scale与small-scale对比：In contrast to large scientific meetings where personal contacts are sparse and group discussions are almost impossible, small scale Symposium Series can provide valuable means of debating controversial issues and disseminating ...www.allconferences.com/conferences/20050422124836/不说了。
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