“出席者”的英语可以翻译为：attendant，turnout ...

这个大厅一次只能容下一半的出席者。Only one-half of the attendees could fit into the large hall at any one time.会议上暴露出某些分歧之处(出席者意见不一致的事项).The meeting revealed certain areas of disagreement, ie matters on which those present did not agree....