| 单词 | deleterious | 
| 释义 | del·e·te·ri·ous   (dĕl′ĭ-tîrē-əs) adj.  Having a harmful effect; injurious: the deleterious effects of smoking. [From Greek dēlētērios, from dēlētēr, destroyer, from dēleisthai, to harm.] del′e·teri·ous·ly adv. del′e·teri·ous·ness n. | 
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