| 词汇 | lighten |
| 词根词缀 | 词源： 1. lighten (1) verb from light (adj.). Of burdens, from late 14c.; in transfered general use from late 15c. 2. lighten (2) verb from light (n.). "To shed light upon," c.1300; "to grow brighter," late 14c. Of faces, expressions, etc., from 1795. |
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