dis.as.trousadj.(形容词)Accompanied by or causing distress or disaster; calamitous.灾难性的,造成灾难的:由灾难或不幸带来的,引起灾难或不幸的;不幸的Extremely bad; terrible:极坏的;很糟的:例句:a disastrous report card.极糟的成绩报告单【引伸】disas.trouslyadv.(副词)disas.trousnessn.(名词)