1.Your opinion at the end should be more specific.
2.One of the （发表者不懂是论文还是演讲,这个看情况翻译）should use more gestures,and you'd better make more eye contact with the audience.
3.Your voice should be louder,and sometimes slow down appropriately.
英语翻译3句(无视机译)★★★★★★★