He was giving a speech at Cambridge University to a mainly Chinese audience of students and dons when the lone protester stood up at the back and blew a whistle.是什么意思_He was giving a speech at Cambridge University to a mainly Chinese audience of students and dons when the lone protester stood up at the back and blew a whistle.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句