这场全球直播的观看人数达到史无前例的规模。Zhè chǎng quánqiú zhíbō de guānkàn rénshù dádào shǐwúqiánlì de guīmó.The number of viewers for this global livestream reached an unprecedented scale.
今年的暴雨带来了史无前例的洪水。Jīnnián de bàoyǔ dàilái le shǐwúqiánlì de hóngshuǐ.This year's rainstorm brought unprecedented floods.
这座小城史无前例地举办了一场国际音乐节。Zhè zuò xiǎochéng shǐwúqiánlì de jǔbànle yī chǎng guójì yīnyuè jié.This small city hosted an international music festival for the first time ever.