no,nosinpublicspeaking
演讲切忌talkinoorapidly语速太快speakinginamonotone声音单调；usinoohighavocalpitch声音尖细；talkingandnotsayingmuch谈得太多，说得太少；presentingwithoutenoughemotionorpassion感情不充分；talkingdowntotheaudience对观众采取一种居高临下的姿态usinoomanybigwords夸张的词语使用得太多；usingabstractionswithoutgivingconcreteeamples使用抽象概念而不给出事例加以说明；usingunfamiliartechnicaljargon使用别人不熟悉的技术术语；usingslangorprofanity使用俚语或粗俗语；disorganizedandramblingpe...