| 单词 | debility | 
| 释义 | de·bil·i·ty   (dĭ-bĭlĭ-tē) n. pl.   de·bil·i·ties   The state of being weak or feeble; infirmity. [Middle English debilite, from Old French, from Latin dēbilitās, from dēbilis, weak; see  bel- in the Appendix of Indo-European roots.] | 
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