His product launches, at which he would stand alone on a black stage and produce as if by magic an "incredible" new electronic gadget （小器具）in front of an amazed crowd, were the performances of a master showman.
出自-2012年12月阅读原文
It says here Roger Whitehead is an amazing host to a night of fun performances.
2018年6月四级真题（第二套）听力 Section B
英语六级真题
It is giving performances in town.
出自-2013年6月听力原文
柯林斯高阶英汉双解学习词典释义
N-COUNT
表演；演出
A performance involves entertaining an audience by doing something such as singing, dancing, or acting.