disastrous or destructive 灾难性的;毁灭性的;破坏性的 a ruinous effect on the environment. 对环境的灾难性影响。 ■costing far more than can be afforded 导致破产的 the cost of their ransom might be ruinous. 他们的赎金可能会高得致人破产。
in ruins; dilapidated 废墟的;破败的;坍坏了的;破旧的 the castle is ruinous. 这个城堡破旧不堪。
派生 ruinously adverb ruinousness noun 语源
late Middle English (also in the sense 'falling down'): from Latin ruinosus, from ruina (see ruin)