having long pauses of silence while they speak ,and apeak very softly,so everyboday else has to be quiet and wait for their next word,which will be some 20 dollar word that only half the audience understands,and they‘ll force others out of the way by being immobile,but staring straight at their counterparts.
请大侠帮我分析下这个句子的结构,while和which是什么从句,分别修饰的是哪个部分?