| 单词 | lethargy |
| 释义 | lethargy n. 1. lack of energy or vitality; a torpid, inert, or apathetic state. 2. Med. morbid drowsiness or prolonged and unnatural sleep. Derivatives lethargic adj. lethargically adv. Etymology: ME f. OF litargie f. LL lethargia f. Gk lethargia f. lethargos forgetful f. leth-, lanthanomai forget |
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