英国广播公司刚刚成功地演示了一套新的数字无线电传输系统。The BBC has just successfully demonstrated a new digital radio transmission system.凯瑟琳演示了洁面的正确方法。Catherine demonstrated the proper way to cleanse the face.采用了演示及播放电影和录像带的形式，以起到教育作用。Demonstrati...
Her injured arm pained her sharply.她那受伤的手臂使她感到剧烈疼痛。This public acknowledgment of Ted's disability pained my mother...这一下大家都知道了特德的残疾，这让母亲非常痛苦。At the community centre, mention of funds produces pained looks.在社区中心一提到资金...