那场关于税法的演讲枯燥至极，不到二十分钟就有一半的听众打起了瞌睡。
The lecture on tax code was so arid that half the audience dozed off within twenty minutes.
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解释
arid 形容演讲或课程内容极其枯燥、缺乏感染力。
The lecture on tax code was so arid that half the audience dozed off within twenty minutes.
arid 形容演讲或课程内容极其枯燥、缺乏感染力。