ruinousadj.
英 'ruːɪnəs | 美 'ruɪnəs
中文adj. 破坏性的，毁灭性的；零落的
词根词源
ruinous (adj.)late 14c., "going to ruin," from Old French ruinos (Modern French ruineux) or directly from Latin ruinosus "tumbling down, going to ruin," from ruina (see ruin (n.)). Meaning "causing ruin" is from mid-15c. Related: Ruinously.
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