standing ovation
noun [ C ] uk/ˌstæn.dɪŋ əʊˈveɪ.ʃən/ us/ˌstæn.dɪŋ oʊˈveɪ.ʃən/
（表演或演讲结束时的）起立欢呼，起立鼓掌
an occasion when the people in an audience stand up to clap at the end of a performance or speech because they liked it very much
She received a standing ovation at the end of her speech. 她的讲话结束时听众们起立欢呼。