a sheer burden

a sheer burden sheer sheer表示什么 英语翻译consider first the sheer practical problems of reading a sheer industry sheer dumb she felt a burden lifting from her shoulder什么意思 burden是什么意思 From the top of the wall there was a sheer drop of 100feet t this has also result in an increase in the sheer number of a Below the tree was a sheer drop of sixty feet .The dingo was sheer force sheer在这句里是什么意思? SAT作文!CAN KNOWLEDGE BE A BURDEN RATHER THAN A BENEFIT?我想从三个角